Recent questions in General questions

Recent questions in General questions

+1 vote

0 answers

Defining a non-nilpotent `ExteriorDerivative`

asked May 7, 2019 in General questions by doxdrum (13.7k points)

0 votes

1 answer

Dimensional reduction of a three form

asked Apr 25, 2019 in General questions by doxdrum (13.7k points)

0 votes

0 answers

Sorting indices of tensors [closed]

asked Apr 24, 2019 in General questions by doxdrum (13.7k points)

0 votes

0 answers

Dependence on a subspace - Possible???

asked Apr 23, 2019 in General questions by doxdrum (13.7k points)

0 votes

1 answer

Problem with substitution

asked Apr 23, 2019 in General questions by doxdrum (13.7k points)

0 votes

1 answer

what is the use of question mark postindices, how it changes contractions and symmetry properties of indices?

asked Apr 8, 2019 in General questions by anonymous

+1 vote

2 answers

nested zoom/unzoom

asked Apr 6, 2019 in General questions by LeoBrewin (1.6k points)

+1 vote

1 answer

Symmetrise pairs of indices

asked Apr 1, 2019 in General questions by lgtrombetta (130 points)

+1 vote

1 answer

glob pattern in rules

asked Mar 31, 2019 in General questions by LeoBrewin (1.6k points)

+1 vote

1 answer

How define a general tensor symmetry

asked Mar 25, 2019 in General questions by Michal

+1 vote

1 answer

Is it possible to use "+/-" as indices?&How to define a commutator?

asked Mar 24, 2019 in General questions by eureka (2.1k points)

+1 vote

1 answer

Can I use any Greek alphabet as a spinor?

asked Mar 21, 2019 in General questions by mpatra91 (170 points)

0 votes

0 answers

some things about "substitute"

asked Mar 19, 2019 in General questions by eureka (2.1k points)

0 votes

1 answer

How to use \dagger ?

asked Mar 17, 2019 in General questions by eureka (2.1k points)

0 votes

1 answer

NameError: name 'dsolve' is not defined At: <string>(7)

asked Mar 16, 2019 in General questions by eureka (2.1k points)

0 votes

0 answers

Sort product with symbols

asked Mar 13, 2019 in General questions by virgilbaran (190 points)

+1 vote

1 answer

How to bypass triple index error for symbols?

asked Feb 25, 2019 in General questions by virgilbaran (190 points)

+1 vote

0 answers

Examles of using Cadabra for superspace calculations.

asked Feb 1, 2019 in General questions by Nikita (130 points)

+1 vote

1 answer

Curved and Flat Indices

asked Jan 31, 2019 in General questions by Kasmaria

+1 vote

1 answer

Please show a simple example showing difference b/w Indices(curved) and Indices(flat).

asked Jan 29, 2019 in General questions by Kasmaria

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