Ask Your Question

witt index of quadratic form

asked 2017-01-01 14:09:29 -0600

user58293 gravatar image

An important invariant of quadratic forms $(V,q)$ over a field is the Witt index, the dimension of a maximal isotropic subspace of $V$.

Is Sage able to calculate this? I have checked and there does not seem to be anything there to help me (but I may have overlooked it).

edit retag flag offensive close merge delete

1 answer

Sort by ยป oldest newest most voted

answered 2017-01-02 05:20:49 -0600

updated 2017-01-05 09:24:44 -0600

Searching the Sage documentation and source seems to indicate there is nothing in Sage for that.


sage: search_doc("witt")
sage: search_src("witt")

only have references to other Witt things.

However, there is a GAP package called "Forms" which you might find useful.


edit flag offensive delete link more

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer

Question Tools


Asked: 2017-01-01 14:09:29 -0600

Seen: 32 times

Last updated: Jan 05