symmetric and exterior powers of characters

[vbraun]

The gap-functions for computing exterior and symmetric powers of characters are not exposed. This patch implements these.

Apply attachment: trac_10175_anti_symmetric_product_characters.patch

Component: group theory

Author: Volker Braun

Reviewer: David Roe

Merged: sage-5.0.beta3

Issue created by migration from https://trac.sagemath.org/ticket/10175

[vbraun]

Updated patch

[vbraun]

comment:2

Attachment: trac_10175_anti_symmetric_product_characters.2.patch.gz

Rediffed for sage-4.8.alpha4

[roed314]

comment:3

Just a couple comments:

• You need to raise the NotImplementedError on line 281, and there are a couple other points in the file where this same mistake is made.

• In the documentation of __mul__, you only allow multiplication by an integer. But you can in fact multiply by other scalars that coerce into Gap: number field elements for example.

Other than that, I'll run the tests once I build a new copy of Sage on sage.math and fly to Boston.

[roed314]

Reviewer: David Roe

[vbraun]

Attachment: trac_10175_anti_symmetric_product_characters.patch.gz

Updated patch

[vbraun]

comment:4

Fixed in the updated patch. Also, made sage -coverage happy.

[roed314]

comment:5

Looks good to me. Sorry for the delay.

[jdemeyer]

Merged: sage-5.0.beta3