Sage 6.2 released

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Sage 6.2 released Volker Braun 6/23/14 1:05 PM
[Belated posting since I forgot to cc sage-announce]

Sage 6.2 was released on 6 May 2014. It is available in
source and binary form from:


Sage (http://www.sagemath.org/) is developed by volunteers and combines
over 90 open source packages. For instructions about installing Sage, see


The following page lists the platforms on which Sage should work:


If you have any questions and/or problems, please report them to any of
these Google groups:


You can also drop by in #sagemath on freenode or post your questions

The following 115 people contributed to this release. Of those, 27 made
their first contribution to Sage:

  - Aladin Virmaux [first contribution]
  - Alan J.X. Guo (郭嘉祥) [first contribution]
  - Alejandro Argaez
  - Alex Ghitza
  - Amit Jamadagni [first contribution]
  - André Apitzsch
  - Andreas Ruscheinski [first contribution]
  - Andrew Mathas
  - Andrey Novoseltsev
  - Anne Schilling
  - Ben Hutz
  - Benjamin Jones
  - Ben Salisbury
  - Bruce Westbury [first contribution]
  - Burcin Erocal
  - Cécile Gonçalves [first contribution]
  - Charlie Turner
  - Christian Nassau
  - Christian Stump
  - Chris Wuthrich
  - Chwas Ahmed [first contribution]
  - Clemens Heuberger
  - Dan Drake
  - Daniel Krenn
  - Darij Grinberg
  - David Roe
  - Dillon Rose [first contribution]
  - Dima Pasechnik
  - Dmitrii Pasechnik
  - Douglas McNeil
  - Doug S. MacNeil [first contribution]
  - Erik Quaeghebeur [first contribution]
  - Eviatar Bach
  - Felix Salfelder
  - Florent Hivert
  - Francis Clarke
  - François Bissey
  - Franco Saliola
  - Frédéric Chapoton
  - Gustavo de Oliveira
  - Igor Tolkov
  - Jan Keitel
  - Jan Tuitman
  - Jason Grout
  - Jayant Apte [first contribution]
  - Jean-Baptiste Priez
  - Jean-Pierre Flori
  - Jennifer Balakrishnan
  - Jernej Azarija
  - Jeroen Demeyer
  - Jesús Torrado [first contribution]
  - Joao Alberto de Faria
  - Johan Bosman
  - John Cremona
  - John Palmieri
  - Jonathan Bober
  - Julian Rueth
  - Julian Rüth [first contribution]
  - Kannappan Sampath
  - Karl-Dieter Crisman
  - Kevin Dilks
  - Kwankyu Lee
  - Leif Leonhardy
  - Luca De Feo
  - Luis Felipe Tabera Alonso
  - Marc Masdeu
  - Marc Mezzarobba
  - Martin Albrecht
  - Martin von Gagern
  - Matthieu Dien [first contribution]
  - Michael Orlitzky
  - Michael Welsh
  - Michiel Kosters
  - Mike Hansen
  - Mike Zabrocki
  - Nathann Cohen
  - Nicolas M. Thiéry
  - Niles Johnson
  - Nils Bruin
  - Paul Zimmermann
  - Peter Bruin
  - Philip Robinson [first contribution]
  - Punarbasu Purkayastha
  - Rajesh Veeranki [first contribution]
  - Ralf Stephan [first contribution]
  - R. Andrew Ohana
  - R. Andrew Ohanar [first contribution]
  - Raniere Silva [first contribution]
  - Rishikesh
  - Rob Beezer
  - Robert Bradshaw
  - Robert Lipshitz [first contribution]
  - Robert Miller
  - Rob Harron [first contribution]
  - Rudi Pendavingh
  - Salvatore Stella
  - Sam Clearman [first contribution]
  - Sami Losoi [first contribution]
  - Sara Kropf
  - Sebastien Besnier [first contribution]
  - Sebastien Gouezel
  - Sébastien Labbé
  - Simon King
  - Thierry Monteil
  - Tobias Weich
  - Tom Boothby
  - Tomer Bauer
  - Travis Scrimshaw
  - Vincent Delecroix
  - Vivien Ripoll [first contribution]
  - Volker Braun
  - Weixin Wu [first contribution]
  - Wilfried Luebbe [first contribution]
  - William Stein
  - Xavier Caruso

* Release manager: Volker Braun.

* We closed 399 tickets in this release. For details, see


Merged in sage-6.2.beta0:

#8348: Paul Zimmermann: Document that find_root only works in fixed (double) precision [Reviewed by Marc Mezzarobba]
#10058: Mike Hansen, Luis Felipe Tabera Alonso, Marc Mezzarobba: Segfault in backward and inverse FFT for 2**n elements [Reviewed by Luis Felipe Tabera Alonso, Marc Mezzarobba, Punarbasu Purkayastha]
#10108: John Cremona: Calling mwrank(-10) hangs Sage, but uses very little CPU time [Reviewed by Mike Hansen, Chris Wuthrich]
#13441: Julian Rueth: refactor gcd [Reviewed by Niles Johnson, Travis Scrimshaw]
#13628: Julian Rueth: refactor xgcd [Reviewed by Niles Johnson, Travis Scrimshaw]
#14060: John Cremona: Improve minimal_quadratic_twist() [Reviewed by Chris Wuthrich]
#14333: Burcin Erocal: singular-3-1-6 is out [Reviewed by Jean-Pierre Flori]
#14349: Felix Salfelder: The cliquer spkg is patching upstream [Reviewed by Nathann Cohen]
#15123: Felix Salfelder, Jeroen Demeyer: Gitify autotools package and make it uptodate on 20140114 [Reviewed by Jean-Pierre Flori]
#15569: R. Andrew Ohana, John Palmieri, Punarbasu Purkayastha: upgrade sagenb to version 0.10.8 [Reviewed by R. Andrew Ohana, John Palmieri]
#15589: Jean-Pierre Flori: Update PPL to version 1.1 [Reviewed by François Bissey]
#15615: Jean-Pierre Flori: Put ATLAS archdef tarballs into patches/ARCHS and resync ATLAS-lib dir [Reviewed by Volker Braun]
#15617: Jean-Pierre Flori: Update ncurses to dev version 5.9-20131221 [Reviewed by Travis Scrimshaw]
#15623: Nathann Cohen: Immutable graph backend for Posets [Reviewed by Simon King]
#15624: Jeroen Demeyer: Support "make -jN" [Reviewed by Peter Bruin]
#15654: Jeroen Demeyer: PARI discriminant speed depends on stack size [Reviewed by David Roe]
#15669: Travis Scrimshaw: Errors with graph complement [Reviewed by Nathann Cohen]
#15681: Nathann Cohen: Name of immutable graphs [Reviewed by Travis Scrimshaw]
#15682: Wilfried Luebbe: tachyon (Sage 6.0) does not build on Raspberry Pi (armv6l) [Reviewed by Jean-Pierre Flori]
#15694: John Cremona: Remove deprecation warning for elliptic curve isogeny class method [Reviewed by Chris Wuthrich]
#15697: Jeroen Demeyer: Upgrade MPC to latest upstream [Reviewed by François Bissey]
#15717: Jeroen Demeyer: Add some sig_on() in Singular library [Reviewed by Punarbasu Purkayastha]
#15727: John Palmieri: Check for doc build errors in "make doc" [Reviewed by Volker Braun]
#15730: John Palmieri: small problems with CHomP, followup to #15161 [Reviewed by Travis Scrimshaw]
#15734: André Apitzsch: <> is not Python 3 compatible [Reviewed by Jeroen Demeyer]
#15736: Volker Braun: libgd: disable fontconfig on OSX [Reviewed by Sami Losoi]
#15738: John Cremona: upgrade eclib to version 20140128 [Reviewed by Jeroen Demeyer]
#15743: Jeroen Demeyer: Document cancel_alarm() in alarm() [Reviewed by Marc Mezzarobba]
#15749: David Roe: sage -t --new doesn't work when not in SAGE_ROOT [Reviewed by Jeroen Demeyer, Punarbasu Purkayastha]
#15757: Nicolas M. Thiéry: Make sage.misc.superseded independent of sage.rings.integer_ring [Reviewed by Nathann Cohen, Jeroen Demeyer]
#15760: Jeroen Demeyer: Speed up short vector enumeration [Reviewed by Peter Bruin]

Merged in sage-6.2.beta1:

#7475: Marc Mezzarobba: bug pickling ZZ.residue_field's [Reviewed by Jeroen Demeyer]
#8499: Luis Felipe Tabera Alonso: improve documentation of partial_fraction_decomposition [Reviewed by Luis Felipe Tabera Alonso, Paul Zimmermann]
#8621: Rishikesh: New functions in lcalc wrapper [Reviewed by Jonathan Bober]
#11985: Jeroen Demeyer: lcalc is too verbose (mysterious "Warning: new stack size") [Reviewed by Travis Scrimshaw]
#12827: Niles Johnson: Expand Animation class to accept more graphics types [Reviewed by John Palmieri]
#14498: Jean-Baptiste Priez: trees and binary trees [Reviewed by Darij Grinberg, Frédéric Chapoton]
#14508: Igor Tolkov, Darij Grinberg: jordan_form fails when base field specified [Reviewed by Nathann Cohen]
#14867: John Cremona, Charlie Turner, Jeroen Demeyer: Improve PARI qfminim documentation [Reviewed by Robert Miller, Jeroen Demeyer, John Cremona]
#15408: Mike Zabrocki: corrections and improvements to `inner_plethysm` method in symmetric functions [Reviewed by Darij Grinberg, Franco Saliola]
#15428: Darij Grinberg: Partitions to posets [Reviewed by Travis Scrimshaw]
#15439: Nathann Cohen: sage/combinat/matrices/latin.py: isotopism method uses product of permutations [Reviewed by Darij Grinberg]
#15454: Travis Scrimshaw: Implement Eulerian (quasi)symmetric functions [Reviewed by Darij Grinberg]
#15476: Darij Grinberg: Involutions on NSym and QSym part I [Reviewed by Travis Scrimshaw]
#15495: Christian Stump: Flip graph of pure simplicial complex [Reviewed by Nathann Cohen]
#15567: Travis Scrimshaw: Fix Alphabet and improvements to Family [Reviewed by Nathann Cohen]
#15574: Jean-Pierre Flori: Update FLINT to 2.4.1 [Reviewed by François Bissey, Luca De Feo]
#15604: R. Andrew Ohana: pynac and polybori shouldn't be dependencies of csage [Reviewed by Jeroen Demeyer]
#15620: R. Andrew Ohana, Jeroen Demeyer: StandardError is not Python 3 compatible [Reviewed by Jeroen Demeyer, R. Andrew Ohana]
#15664: Nathann Cohen: Bug in IncidenceStructure.is_block_design [Reviewed by Frédéric Chapoton]
#15693: Punarbasu Purkayastha: Remove simplify_radical() from the doc of simplify_full() and full_simplify() [Reviewed by Karl-Dieter Crisman]
#15707: Ralf Stephan: conversion of power series with zero bigoh to polynomials [Reviewed by Travis Scrimshaw]
#15715: Nathann Cohen: Teach the graph backend that 'yield' exists in Cython [Reviewed by Travis Scrimshaw]
#15740: Travis Scrimshaw: Better support for root systems which do not come from a Cartan type [Reviewed by Frédéric Chapoton]
#15743: Jeroen Demeyer: Document cancel_alarm() in alarm() [Reviewed by Marc Mezzarobba]
#15745: Peter Bruin: The unit ideal is not prime or primary [Reviewed by John Cremona]
#15746: Peter Bruin: Make MPolynomialRing_libsingular use the correct coercion map for constants [Reviewed by Travis Scrimshaw]
#15748: Niles Johnson: stopgap warning for power series equality [Reviewed by Ralf Stephan]
#15778: Punarbasu Purkayastha: Fix broken mathjax in sagenb [Reviewed by Jeroen Demeyer]
#15783: John Palmieri: Update README.txt for OS X Mavericks [Reviewed by Michael Welsh]
#15791: Volker Braun: Use LC_ALL=POSIX for character ranges [Reviewed by Jeroen Demeyer]
#15796: Jean-Pierre Flori: Ncurses does not compile on Sparc [Reviewed by Volker Braun]

Merged in sage-6.2.beta2:

#9939: Jeroen Demeyer: Remove unnecessary .hgignore files [Reviewed by Marc Mezzarobba]
#15052: Tobias Weich: plot_field crashes if if self.options() is called for an object with an unknown option [Reviewed by Punarbasu Purkayastha]
#15166: Jeroen Demeyer: representation of large RIF elements [Reviewed by Marc Mezzarobba]
#15262: Andreas Ruscheinski, Ralf Stephan: Implement the combine-function for logic.py [Reviewed by Travis Scrimshaw]
#15317: Jean-Pierre Flori: Troubles with Python and ncurses on Cygwin [Reviewed by Travis Scrimshaw]
#15443: Volker Braun: Random time outs in ecm.py [Reviewed by François Bissey]
#15457: Volker Braun: sage-cleaner does not quit [Reviewed by Jeroen Demeyer]
#15471: Darij Grinberg: sage/graphs/generators/intersection.py multiplies a permutation by id [Reviewed by Nathann Cohen]
#15510: R. Andrew Ohana: upgrade setuptools to version 2.0.1 [Reviewed by John Palmieri]
#15533: Christian Stump: Making the hash of cores depend on the parameter [Reviewed by Anne Schilling]
#15655: Andrew Mathas: Tweak to improve speed of generating standard tableaux [Reviewed by Travis Scrimshaw]
#15656: Mike Hansen: Sending groups to Gap renumbers permutation groups [Reviewed by Nathann Cohen]
#15728: Philip Robinson: Graphics3d saves every png image twice [Reviewed by Niles Johnson]
#15752: Anne Schilling, Darij Grinberg: Change in iterator for SemistandardSkewTableaux_shape [Reviewed by Darij Grinberg, Anne Schilling]
#15763: Punarbasu Purkayastha: Implement an inverse entropy function [Reviewed by Dmitrii Pasechnik]
#15765: Jeroen Demeyer: Move PARI databases out of PARI package [Reviewed by Peter Bruin]
#15766: Jeroen Demeyer: sage-spkg can show harmless "mv" error [Reviewed by R. Andrew Ohana]
#15769: Rudi Pendavingh: SetSystem._isomorphism fails on an empty Setsystem [Reviewed by Nathann Cohen]
#15774: Jeroen Demeyer: Remove mp.c.patch from PARI [Reviewed by Peter Bruin]
#15784: André Apitzsch: Use `in` instead of deprecated `has_key()` [Reviewed by François Bissey]
#15785: Jeroen Demeyer: PARI: allow non-gen as "self" argument for __pow__ [Reviewed by David Roe]
#15798: John Cremona: MWrank doctest broken on Solaris [Reviewed by Volker Braun]
#15799: Volker Braun: floating point tolerance in gsl fft doctest [Reviewed by Marc Mezzarobba]
#15800: John Palmieri: PDF docs don't build [Reviewed by Volker Braun]
#15802: Volker Braun: Sage banner and PDF docs [Reviewed by John Palmieri]
#15810: Nathann Cohen: Immutable directed graphs should know that they are directed [Reviewed by Simon King]
#15811: Volker Braun: Random doctest failure in maxima_abstract.py [Reviewed by Jean-Pierre Flori]
#15819: Volker Braun: GAP interface memory leak [Reviewed by David Roe]

Merged in sage-6.2.beta3:

#5383: Mike Hansen: isinstance(PrincipalIdealDomain) should be replaced with a method .is_principal_ideal_domain() [Reviewed by Ralf Stephan]
#9494: Robert Miller: marked mpoly_all() as not tested [Reviewed by Rob Beezer, Benjamin Jones, Ralf Stephan]
#9505: Paul Zimmermann: coeff(f,x*y) does not work [Reviewed by Ralf Stephan]
#9634: Burcin Erocal: binomial does not accept variable when only in the lower argument [Reviewed by Ralf Stephan]
#9870: Jeroen Demeyer: Clean up Cliquer's spkg-install [Reviewed by Jean-Pierre Flori]
#10095: Travis Scrimshaw: Linear algebra with large integer matrices fails with RuntimeError [Reviewed by Marc Mezzarobba]
#10136: Burcin Erocal: `log(x).operator() == log` should return `True` [Reviewed by Ralf Stephan]
#10218: Ralf Stephan: enhance dev manual on reviewing tickets [Reviewed by Jean-Pierre Flori]
#10849: Burcin Erocal: behaviour of gamma strangely sensitive [Reviewed by Ralf Stephan]
#11005: Peter Bruin: Update Simon's GP scripts [Reviewed by Jeroen Demeyer]
#11785: Michael Orlitzky: exp(I*pi*n).simplify_exp() doesn't simplify [Reviewed by Ralf Stephan]
#12117: David Roe: Bugfixes and improvements to Aurifeuillian factorization [Reviewed by Ralf Stephan, Travis Scrimshaw]
#12141: Johan Bosman, Peter Bruin, Michiel Kosters, Travis Scrimshaw: Implement finite algebras [Reviewed by Travis Scrimshaw, Peter Bruin]
#13274: Julian Rueth: Add QQ._factor_univariate_polynomial() [Reviewed by Peter Bruin]
#13275: Julian Rueth: Add QQbar._factor_univariate_polynomial() [Reviewed by Peter Bruin]
#13276: Julian Rueth: Add CDF._factor_univariate_polynomial() [Reviewed by Peter Bruin]
#13642: Xavier Caruso: Modular exponentiation of polynomials [Reviewed by Burcin Erocal, Travis Scrimshaw, Jean-Pierre Flori]
#13981: Robert Bradshaw: Faster int -> Integer coercion for common ints [Reviewed by Paul Zimmermann, Marc Mezzarobba]
#14720: Frédéric Chapoton: Pade approximants [Reviewed by Marc Mezzarobba]
#14876: Volker Braun, Jean-Pierre Flori: Update NTL to 6.0.0 [Reviewed by Jean-Pierre Flori,François Bissey]
#15307: Frédéric Chapoton: typo in doc/faq [Reviewed by Marc Mezzarobba]
#15345: Frédéric Chapoton, David Roe: Laurent polynomial rings don't preserve coercion [Reviewed by Travis Scrimshaw]
#15446: Peter Bruin: GP interface confused by stack overflow when enlarging results vector [Reviewed by Alejandro Argaez]
#15482: Nathann Cohen: Say very loud that LP variables are non-negative by default [Reviewed by Punarbasu Purkayastha, Karl-Dieter Crisman, Thierry Monteil]
#15483: Peter Bruin: Simon 2-descent gives RuntimeError for an elliptic curve over a quadratic field [Reviewed by Jeroen Demeyer]
#15490: Weixin Wu: improve documentation of projective dynatomic polynomial [Reviewed by Ben Hutz]
#15552: Punarbasu Purkayastha: enumerate_totallyreal_fields_prim does not return polynomial as elements of a polynomial ring [Reviewed by Francis Clarke]
#15575: Anne Schilling, Mike Zabrocki: Remove deprecated functions from symmetric functions [Reviewed by Travis Scrimshaw]
#15668: Frédéric Chapoton: implement the fixed complex of automorphisms of simplicial complexes [Reviewed by Travis Scrimshaw]
#15684: Jeroen Demeyer: Remove support for SAGE_FORTRAN [Reviewed by Jean-Pierre Flori]
#15686: Erik Quaeghebeur: Improve documentation of constraint_generation in MixedIntegerLinearProgramming [Reviewed by Nathann Cohen]
#15702: Jean-Pierre Flori: Error installing package gcc-4.7.3.p1 on ARM boards [Reviewed by Wilfried Luebbe]
#15722: Erik Quaeghebeur: Some documentation errata in numerical module [Reviewed by Nathann Cohen]
#15742: Volker Braun: Pkgconfig [Reviewed by François Bissey, Jean-Pierre Flori]
#15744: Jeroen Demeyer: Speed up MPC multiplication [Reviewed by Jean-Pierre Flori]
#15755: R. Andrew Ohana, Jeroen Demeyer: Upgrade cython to version 0.20.1 [Reviewed by R. Andrew Ohana]
#15759: Nicolas M. Thiéry: cached_method: __name__ and __module__ attributes; callable as functions / class bound methods [Reviewed by Simon King]
#15762: Dmitrii Pasechnik: Make R and its extensions build on ARM [Reviewed by Jean-Pierre Flori]
#15777: Jean-Pierre Flori: Problems with polynomials over extensions of finite fields [Reviewed by Travis Scrimshaw]
#15787: Nathann Cohen: Files needed in SAGE_ATLAS_LIB [Reviewed by Ralf Stephan]
#15794: Rudi Pendavingh: Matroid linear_extensions() does not mention lack of coloops. [Reviewed by Michael Welsh]
#15805: Travis Scrimshaw: the q-integer 0 has no parent. [Reviewed by Frédéric Chapoton]
#15807: R. Andrew Ohana: Upgrade mpmath to version 0.18 [Reviewed by François Bissey]
#15822: Darij Grinberg: Tropical semiring cannot exponentiate infinity [Reviewed by Travis Scrimshaw]
#15823: Travis Scrimshaw: Implement conversion map from tropical semiring [Reviewed by Darij Grinberg]
#15827: Travis Scrimshaw: Fast check for linear dependence [Reviewed by Marc Mezzarobba]
#15840: Daniel Krenn: Residues in SymbolicRing [Reviewed by Marc Mezzarobba]
#15841: Clemens Heuberger: sage.combinat.finite_state_machine: incorrect indent in docstring [Reviewed by Daniel Krenn]
#15844: Anne Schilling: Crystal on affine factorizations [Reviewed by Travis Scrimshaw]
#15851: Dmitrii Pasechnik: fix unhandled segfault in Coin backend [Reviewed by Punarbasu Purkayastha]
#15858: Julian Rueth: Change license from GPLv2 to GPLv2+ [Reviewed by Robert Bradshaw]
#15873: Volker Braun: Update GAP-4.7.4 [Reviewed by Jean-Pierre Flori]
#15876: Volker Braun: Disable downloading from within spkg-install [Reviewed by Jean-Pierre Flori]
#15879: Jean-Pierre Flori: Prevent Python to use system hg and svn when it is built [Reviewed by Volker Braun]

Merged in sage-6.2.beta4:

#8389: Marc Mezzarobba: Implement MatrixSpace(...)['x'] [Reviewed by Nicolas M. Thiéry]
#9401: Paul Zimmermann, Peter Bruin: pari(n).isprime(1) does not give the primality certificate to the user [Reviewed by Peter Bruin, Ralf Stephan]
#11239: Peter Bruin: Incorrect coercion of polynomials over finite fields [Reviewed by Jean-Pierre Flori]
#11652: Julian Rueth, William Stein: MPolynomial_libsingular reports the wrong degree [Reviewed by William Stein, Paul Zimmermann, David Roe]
#12289: Burcin Erocal, Benjamin Jones: pass algorithm argument to custom numeric evaluation methods [Reviewed by Karl-Dieter Crisman, Doug S. MacNeil, Benjamin Jones, Jean-Pierre Flori]
#13026: R. Andrew Ohana: Upgrade and clean up cddlib [Reviewed by Karl-Dieter Crisman, Jeroen Demeyer, Jean-Pierre Flori]
#13201: Volker Braun: patch setuptools to allow for parallel usage [Reviewed by R. Andrew Ohana]
#13356: Burcin Erocal: Wrong LaTeX for products of numbers [Reviewed by Jean-Pierre Flori]
#14403: Martin von Gagern: Symbolic charpoly broken [Reviewed by Ralf Stephan]
#14713: Jason Grout: Update to IPython 1.2.1 [Reviewed by William Stein]
#14778: Eviatar Bach: Fix numerical_approx with algorithm keyword [Reviewed by Ralf Stephan]
#14793: Simon King: Unique representation for homsets [Reviewed by Travis Scrimshaw]
#15198: Jean-Pierre Flori: Upgrade Pynac to 0.3.1 [Reviewed by Volker Braun]
#15450: Frédéric Chapoton: Add derivative to Laurent polynomials [Reviewed by Travis Scrimshaw]
#15466: Nathann Cohen: Remove deprecated code from combinat/ [Reviewed by Andrew Mathas, Travis Scrimshaw]
#15489: Nathann Cohen: deprecate the dim argument for MIPVariables [Reviewed by Dima Pasechnik]
#15592: Darij Grinberg: Birational rowmotion [Reviewed by Travis Scrimshaw]
#15636: Travis Scrimshaw, Marc Mezzarobba: slow ascii_art after sympy update [Reviewed by Volker Braun]
#15667: John Cremona: Time anomaly in finding orders of points on an elliptic curve over a finite field [Reviewed by Jean-Pierre Flori]
#15698: Ralf Stephan, Marc Mezzarobba: conversion from polynomial fraction to its power series expansion [Reviewed by Marc Mezzarobba, Ralf Stephan]
#15795: Martin Albrecht: fix VectorSpace.complement doc [Reviewed by Frédéric Chapoton]
#15855: Jeroen Demeyer: Clean up weierstrass_p [Reviewed by Peter Bruin]
#15857: Julian Rüth: change the licenses of schemes/toric/points.py, rings/number_field/splitting_field.py, libs/readline.pyx to GPLv2+ (from GPLv3+) [Reviewed by Jeroen Demeyer]
#15864: Nathann Cohen: Graph.is_distance_regular is awfully wrong [Reviewed by Dima Pasechnik]
#15884: Anne Schilling: Fix in Stanley symmetric functions [Reviewed by Travis Scrimshaw]
#15889: Marc Mezzarobba: Make the banner displayed by sage -h look consistent with the main one [Reviewed by Jeroen Demeyer]
#15892: Travis Scrimshaw: Followup to #9505 [Reviewed by Marc Mezzarobba]
#15893: Nathann Cohen: The Petersen Family [Reviewed by Frédéric Chapoton]
#15894: Frédéric Chapoton: proper names should start with a capital letter [Reviewed by André Apitzsch]
#15911: Volker Braun: Remove more binary crap from gap_packages [Reviewed by Dima Pasechnik]

Merged in sage-6.2.beta5:

#8573: Jeroen Demeyer: prod(primes_first_n(64)).divisors() crashes [Reviewed by Ralf Stephan]
#9524: Jean-Pierre Flori: Nasty bug with polynomial arithmetic and NTL contexts [Reviewed by Volker Braun]
#12661: Simon King, Jean-Pierre Flori: Include GMP 5.1.3 as an optional package [Reviewed by François Bissey]
#13048: Julian Rueth: __floordiv__ does not work when dividing polynomials over QQbar by a constant [Reviewed by Douglas McNeil, Marc Mezzarobba]
#13174: Ralf Stephan: Wrong documentation for methods @cached_method [Reviewed by Marc Mezzarobba]
#13609: Burcin Erocal: symbolic arithmetic errors [Reviewed by Jean-Pierre Flori]
#13774: Jesús Torrado: Irreducible Cartan types created as reducibles [Reviewed by Travis Scrimshaw, Darij Grinberg]
#14844: Salvatore Stella: Implement cluster algebras with universal coefficients [Reviewed by Frédéric Chapoton]
#14993: John Palmieri: Upgrade matplotlib to 1.3.1 [Reviewed by François Bissey, Volker Braun]
#15286: Nathann Cohen: Latin squares [Reviewed by Vincent Delecroix]
#15306: Robert Bradshaw, Marc Mezzarobba: partial_fraction_decomposition over QQ[] wrong [Reviewed by Marc Mezzarobba, Robert Bradshaw]
#15331: Simon King, Marc Mezzarobba,  Jean-Pierre Flori: Do not try to create embedded number field morphisms for non-embedded number fields [Reviewed by Marc Mezzarobba, Jean-Pierre Flori]
#15333: Frédéric Chapoton: remove the imports of is_* from modules/all.py and structure/all.py [Reviewed by Marc Mezzarobba]
#15521: Nathann Cohen: Deprecations: default LP variables will become real instead of nonnegative [Reviewed by Benjamin Jones]
#15599: Peter Bruin: Improve support for PARI series (t_SER) [Reviewed by Ralf Stephan]
#15627: Nathann Cohen: (disjoint) Union of graphs with multiple edges [Reviewed by Frédéric Chapoton]
#15815: Ben Hutz: rational preimages for projective morphisms returns incorrect points [Reviewed by Joao Alberto de Faria]
#15824: André Apitzsch: Remove deprecated code from matrix/ [Reviewed by Ralf Stephan]
#15843: Robert Lipshitz: Add reduced Burau representation, Alexander polynomial to Braid [Reviewed by Frédéric Chapoton, Travis Scrimshaw]
#15847: Clemens Heuberger, Daniel Krenn: Do deepcopy + reset label in FiniteStateMachine.quotient instead of creating a new state [Reviewed by Daniel Krenn]
#15848: Clemens Heuberger, Daniel Krenn: Simplification for non-deterministic transducers via Moore's algorithm [Reviewed by Daniel Krenn]
#15849: Clemens Heuberger, Daniel Krenn: Default ordering of States and Transitions in FiniteStateMachine [Reviewed by Daniel Krenn]
#15888: Jeroen Demeyer: CC -> PARI: return t_REAL for real numbers [Reviewed by Peter Bruin]
#15890: Peter Bruin: EllipticCurve_number_field.is_isogenous() raises error for non-minimal models [Reviewed by Sebastien Besnier]
#15895: Nathann Cohen: Bug in Graph.subdivide_edge [Reviewed by Frédéric Chapoton]
#15907: Anne Schilling: Improvements for affine factorization crystal [Reviewed by Travis Scrimshaw]
#15908: Dmitrii Pasechnik: guava must be explicitly loaded [Reviewed by Volker Braun]
#15910: Travis Scrimshaw: Fix doctest in root_systems/coxeter_group.py when coxeter3 is install [Reviewed by Anne Schilling]
#15918: Volker Braun: Update FLINT to 2.4.2 [Reviewed by Jean-Pierre Flori]
#15922: Clemens Heuberger: Allow list of transitions in FiniteStateMachine.add_transistions_from_function [Reviewed by Daniel Krenn]
#15923: Clemens Heuberger: Incorrect TypeError in FiniteStateMachine.add_from_transition_function [Reviewed by Daniel Krenn]
#15924: Clemens Heuberger, Daniel Krenn: Allow non-hashable output labels in FiniteStateMachine.prepone_output [Reviewed by Daniel Krenn]
#15925: Clemens Heuberger, Daniel Krenn, Sara Kropf: Use Brzozowski' algorithm as default for minimizing non-deterministic automata [Reviewed by Daniel Krenn]
#15937: John Palmieri: Singular won't compile with latest Xcode (5.1, build 5B130a) [Reviewed by François Bissey, Karl-Dieter Crisman, Volker Braun]
#15940: Travis Scrimshaw: Improve printing for rigged configurations [Reviewed by Ben Salisbury]
#15951: Wilfried Luebbe: Fix last string exception for python3 [Reviewed by Frédéric Chapoton]
#15952: Wilfried Luebbe: import statements with both absolute and (implicit) relative imports [Reviewed by Frédéric Chapoton]
#15960: Clemens Heuberger, Daniel Krenn: New function: FiniteStateMachine.set_coordinates [Reviewed by Clemens Heuberger, Daniel Krenn]
#15966: Dillon Rose: Fix paralle_iter [Reviewed by Ben Hutz]
#15973: Karl-Dieter Crisman: Allow GAP to compile on OS X 10.4 [Reviewed by Volker Braun]
#15975: Sara Kropf: FiniteStateMachine.determine_alphabets: corrected description of parameter reset [Reviewed by Clemens Heuberger, Daniel Krenn]
#15979: Jan Keitel: Toric varieties can be tricked into accepting base rings that are not fields [Reviewed by Volker Braun]

Merged in sage-6.2.beta6:

#9322: Marc Masdeu: long time in simon_two_descent for elliptic curves [Reviewed by Peter Bruin]
#10735: Peter Bruin: Simon 2-descent only returns an upper bound on the 2-Selmer rank [Reviewed by Chris Wuthrich]
#10745: Peter Bruin: bug in elliptic curve gens() [Reviewed by Chris Wuthrich]
#11840: Frédéric Chapoton: sage.symbolic.expression.Expression.collect_common_factors has no documentation [Reviewed by Marc Mezzarobba, Ralf Stephan]
#11907: Ralf Stephan: Modify tutorials: no more 'examples' directory [Reviewed by John Palmieri]
#12892: Volker Braun: Toric fibration morphisms [Reviewed by Andrey Novoseltsev]
#13917: Nathann Cohen: IndependentSets class [Reviewed by Vincent Delecroix]
#14050: Kannappan Sampath, Frédéric Chapoton: Cleaning up docs in Finite Coxeter Groups [Reviewed by Nathann Cohen]
#14780: Burcin Erocal, Volker Braun: allow embedding python tuples in SR [Reviewed by Volker Braun, Jean-Pierre Flori]
#14800: Volker Braun: Implement Pynac->Python callback for function::subs() [Reviewed by Jean-Pierre Flori]
#14816: Kevin Dilks, Sam Clearman: Implement absolute order for coxeter groups [Reviewed by Frédéric Chapoton, Travis Scrimshaw]
#15138: R. Andrew Ohana: BuiltinFunction._is_registered is giving false negatives [Reviewed by Ralf Stephan]
#15287: Nathann Cohen: Orthogonal Arrays [Reviewed by Travis Scrimshaw]
#15288: Nathann Cohen: Balanced Incomplete Block Designs with k=4 [Reviewed by Dima Pasechnik]
#15351: Vincent Delecroix: import_statements sometimes fails [Reviewed by Nathann Cohen]
#15705: Ralf Stephan: functions PowerSeries.ogf() and egf() named wrong [Reviewed by Nathann Cohen]
#15723: Martin Albrecht: move CryptoMiniSat SPKG to build/pkgs [Reviewed by Nathann Cohen]
#15870: Daniel Krenn: (LaTeX)-typesetting of multi-character variables wrong [Reviewed by Andrey Novoseltsev]
#15928: Clemens Heuberger: Typesetting errors in docstring of FiniteStateMachine._latex_transition_label_ [Reviewed by Daniel Krenn]
#15942: Volker Braun: fix md5 in sage-spkg [Reviewed by Karl-Dieter Crisman]
#15949: Darij Grinberg: Involutions on NSym and QSym part II [Reviewed by Travis Scrimshaw]
#15969: Alan J.X. Guo (郭嘉祥): New class method: Kazhdan-Lusztig R_tilde polynomial [Reviewed by Frédéric Chapoton]
#15972: John Palmieri: IPython ProfileDirError if IPython was never run [Reviewed by Volker Braun]
#15982: Wilfried Luebbe: Python 3 preparation: Change the syntax of the except clause [Reviewed by Travis Scrimshaw]
#15988: Wilfried Luebbe: Python 3 preparation: Add missing parentheses in list comprension [Reviewed by Travis Scrimshaw]
#15991: Frédéric Chapoton: Python 3 preparation: Rename sys.maxint to sys.maxsize [Reviewed by Wilfried Luebbe]
#15992: Wilfried Luebbe: Python 3 preparation: Change backticks into repr() [Reviewed by Frédéric Chapoton, Travis Scrimshaw]
#15997: Frédéric Chapoton: a typo in stirling1 numbers [Reviewed by Nathann Cohen]
#15998: Darij Grinberg: Restore some documentation and doctests and a function removed with #15466 [Reviewed by Nathann Cohen, Travis Scrimshaw]
#16002: John Palmieri: matplotlib-1.3.1 does not install [Reviewed by François Bissey]
#16009: Marc Masdeu: Compute rank of elliptic curve defined over relative number field [Reviewed by Peter Bruin]
#16011: Marc Masdeu: Fix _torsion_bound() for elliptic curves over relative number fields [Reviewed by Peter Bruin]
#16015: Volker Braun: dateutils requires setuptools [Reviewed by John Palmieri]
#16016: Sara Kropf: FiniteStateMachine.__and__ calls intersection and FiniteStateMachine.__or__ calls union. [Reviewed by Nathann Cohen]
#16019: Nathann Cohen: Connected components for immutable digraphs does not work [Reviewed by Travis Scrimshaw]
#16021: Ralf Stephan: remove deprecated code in rings/ [Reviewed by Nathann Cohen]
#16022: Peter Bruin: simon_two_descent sometimes gives wrong answers [Reviewed by Marc Masdeu]
#16024: Daniel Krenn: incorrect deleting of states in finite state machine [Reviewed by Clemens Heuberger]
#16027: Travis Scrimshaw: Implement q-dimension for classical and KR crystals [Reviewed by Ben Salisbury]
#16028: Frédéric Chapoton: bad formatting in the doc of the genus method for graphs [Reviewed by Nathann Cohen]
#16032: Nathann Cohen: Bug in IncidenceStructure.dual_design [Reviewed by Dima Pasechnik]

Merged in sage-6.2.beta7:

#8162: David Roe, Julian Rueth: p-adic ring constructor documentation incorrect [Reviewed by Ralf Stephan]
#12552: Julian Rueth: degree of polynomial_element is of type int [Reviewed by Ralf Stephan]
#13608: Martin von Gagern: exp() does not work on mpmath mpf numbers [Reviewed by Dan Drake, Karl-Dieter Crisman, Ralf Stephan]
#13884: Karl-Dieter Crisman: Fix optional internet tests. [Reviewed by Ralf Stephan, Volker Braun]
#13916: Simon King: Fix inspection of interactive Cython code [Reviewed by Volker Braun]
#14095: Frédéric Chapoton: SymmetricGroup as a proper WeylGroup [Reviewed by Travis Scrimshaw]
#14275: David Roe, Travis Scrimshaw: Lazy imports with deprecation [Reviewed by Travis Scrimshaw, Nathann Cohen]
#14605: Jean-Pierre Flori: Better system detection for ATLAS [Reviewed by Volker Braun]
#14711: Simon King, Travis Scrimshaw, Jean-Pierre Flori: Weak references in the coercion graph [Reviewed by Nils Bruin, Jean-Pierre Flori]
#14984: Eviatar Bach: Cannot plot functions that use mpmath if complex numbers occur in the image [Reviewed by Ralf Stephan]
#15218: Frédéric Chapoton: incorrect degree of ring class fields [Reviewed by Peter Bruin]
#15501: Marc Mezzarobba, Travis Scrimshaw: floor(), ceil(), trunc(), round() for AA [Reviewed by Martin von Gagern, Travis Scrimshaw, Marc Mezzarobba]
#15650: Darij Grinberg: Permutations and symmetric group algebra: getting rid of 'mult' global in seminormal form [Reviewed by Travis Scrimshaw]
#15737: Chris Wuthrich: Problem in an_padic [Reviewed by Peter Bruin]
#15793: Florent Hivert: Power of species is broken [Reviewed by Frédéric Chapoton]
#15850: Clemens Heuberger, Daniel Krenn: FiniteStateMachine: provide hook on_duplicate_transition [Reviewed by Daniel Krenn, Volker Braun]
#15920: Dillon Rose: Parallelize Possible Periods functions for Projective Morphisms [Reviewed by Ben Hutz]
#15931: Nicolas M. Thiéry: Implement a proper hash function for (combinatorial) free module elements [Reviewed by Florent Hivert, Travis Scrimshaw, Anne Schilling]
#15938: Jean-Pierre Flori: Update NTL to 6.1.0 [Reviewed by François Bissey]
#15939: Volker Braun: Typo on backslash operator documentation: uses regular slash instead of backslash [Reviewed by Matthieu Dien]
#15956: Julian Rueth, Nils Bruin: WeakValueDictionary does not handle unhashable keys correctly [Reviewed by Nils Bruin, Julian Rueth]
#15961: Clemens Heuberger: FiniteStateMachine: new method is_markov_chain [Reviewed by Daniel Krenn]
#15962: Clemens Heuberger, Daniel Krenn: FiniteStateMachine: new method markov_chain_simplification [Reviewed by Daniel Krenn]
#15963: Clemens Heuberger: finite_state_machine: New attribute FSMState.color to prohibit merging in simplification [Reviewed by Daniel Krenn]
#15964: Frédéric Chapoton: Remove superfluous import statement in ell_point [Reviewed by Peter Bruin]
#15978: Nathann Cohen: Waste of time in g.edges() (acually in iterator_edges) [Reviewed by Jernej Azarija]
#15983: Wilfried Luebbe, R. Andrew Ohana: Python 3 preparation: Change names of some function attributes [Reviewed by Frédéric Chapoton, R. Andrew Ohana]
#15984: Wilfried Luebbe: Python 3 preparation: Change some code to use more modern Python idioms [Reviewed by Travis Scrimshaw]
#15986: Wilfried Luebbe: Python 3 preparation: Change names of some method attributes [Reviewed by R. Andrew Ohana]
#15993: Wilfried Luebbe: Python 3 preparation: Remove implicit tuple parameter unpacking [Reviewed by R. Andrew Ohana, Frédéric Chapoton]
#16017: François Bissey: Get libs.mwrank to co
...