xAct Tensor Computer Algebra

Showing 1-20 of 526 topics
error when using `FlatMetric->True` with xTras Daniel Mahler 6/22/16
Why "SameDummies" does not work in this case? Behnoush Khavari 6/21/16
RemoveTensorWrapper Sergio González 6/19/16
Express in values, the action of Covariant derivative on a scalar field. Jaswin Kasi 6/8/16
xPand: how does the tiltspecification option work? Marco Letizia 6/7/16
How to define two distinct partial derivative operators on two different 1-dimensional submanifolds? Behnoush Khavari 6/6/16
A Problem with CollectTensors ste...@web.de 5/31/16
Possible bug with IndexCoefficient AH 5/27/16
Christoffel symbols evaluate to zero Zach Elgood 5/27/16
Levi-Civita tensor in tensor definitions Zach Elgood 5/26/16
Computation of very long expressions with xCoba adam 5/19/16
A problem about install xAct(libML64i3.so: undefined reference to `shm_unlink' and 'shm_open') 12066...@qq.com 5/18/16
a Bug with Gdelta ste...@web.de 5/17/16
Package Conflict Nathan Moynihan 5/16/16
Replacing tensors with dummy indices and avoiding duplicate indices Nathan Moynihan 5/16/16
pull-back Omar Z 5/12/16
xtensor: Canonicalization with cyclic identities Chris 5/6/16
xCoba: Computing tensor components (with assumptions on second order derivatives) Marta Campigotto 5/3/16
Change index positions in bundle curvature Chris 4/30/16
Problem with conformal transformation Sergio González 4/20/16
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