xAct Tensor Computer Algebra

Showing 1-20 of 568 topics
Cannot "Get" Ubuntu 16.10 Daniel Blixt 1/8/17
Antisymmetrize bug Daniel Mahler 12/30/16
What is needed to get xAct to see the Invar database Daniel Mahler 12/29/16
Commuting Covariant Derivatives in Product Manifolds Lorenz Eberhardt 12/17/16
Connection to external MinGW executable failed & request for a Mathlink nick 12/16/16
installing xAct on mathematica version10.1 banafshe....@gmail.com 12/16/16
Rule for equation Sergio González 12/16/16
define the perturbation to the metric as g_ {ab} = n_ {ab} + {ab} H_ alpha phi -alpha n_ {ab} arest...@gmail.com 12/15/16
Variation of an action with Gauge Indices Alejandro Guarnizo Trilleras 11/26/16
Help files won't load in Mathematica 11 Bill N 11/7/16
Change notation Diego Fernando López Restrepo 11/4/16
xAct execution problems (windows, Mathematica 10.0) nick 11/4/16
TexAct: problem with indices Johannes 11/3/16
Piecewise function metric calcuation amir arqand 11/2/16
Using TraceDummy Partha Mukhopadhyay 11/2/16
Define two different metrics on the same manifold Bogdan Ganchev 10/26/16
Writing a particular vector equation for a given metric Debajyoti Sarkar 10/25/16
How to use right-invariant 1-forms? Ben Niehoff 10/13/16
How to calculate the Norm of a vector in xAct Ji Zhang 10/13/16
ToCanonical adding Scalar head on the square of a 0-rank tensor only when it is derived by a parameter Tanguy Marchand 10/8/16
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