Documentation addition for symmetric functions - Cauchy identity

[trevorkarn]

Include an example of how to use plethysm and tensor product of symmetric functions in two sets of variables to verify the Cauchy identities.

CC: @saliola

Component: documentation

Keywords: symmetric function, cauchy, variables

Author: Trevor K. Karn

Branch/Commit: 491bc00

Reviewer: Travis Scrimshaw

Issue created by migration from https://trac.sagemath.org/ticket/33974

[sagetrac-git]

Changed commit from 8aa85f5 to 9a7c3d8

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

9a7c3d8

Add variable for partitions

[sagetrac-git]

Changed commit from 9a7c3d8 to 9d1ec37

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

9d1ec37

PEP8 + typo

[tscrim]

comment:4

LGTM once you remove the unnecessary list comprehension in the sum() (i.e., remove the [ and ]).

[tscrim]

Reviewer: Travis Scrimshaw

[sagetrac-git]

Changed commit from 9d1ec37 to 491bc00

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. This was a forced push. New commits:

6f7f563	Add example
97d30e1	Add variable for partitions
a85d7ba	PEP8 + typo
491bc00	Fix unneeded list comp.

[tscrim]

comment:7

Thanks. LGTM.

[vbraun]

Changed branch from u/tkarn/sfa-cauchy-example to 491bc00