Opened 17 months ago

Last modified 3 months ago

#29099 needs_info enhancement

extension of admissible indices conventions for tensors with indices

Reported by: gh-LBrunswic Owned by:
Priority: trivial Milestone: sage-9.4
Component: manifolds Keywords: tensor, tensor_with_indices, contraction, symmetries, manifolds
Cc: egourgoulhon, mbejger Merged in:
Authors: Léo Brunswic Reviewers:
Report Upstream: N/A Work issues:
Branch: u/gh-LBrunswic/extension_of_admissible_indices_conventions_for_tensors_with_indices (Commits, GitHub, GitLab) Commit: 93ec3e7edac270064869a578a7a4359e2da31cb1
Dependencies: Stopgaps:

Status badges

Description (last modified by gh-LBrunswic)

Following a request from Jonathan Thornburg we include the following indices convention which is standard but up to now not implemented.

X_{ab} := R^c{}_a{}^d{}_b \bar{h}_{cd}

Change History (10)

comment:1 Changed 17 months ago by gh-LBrunswic

  • Description modified (diff)

comment:2 Changed 17 months ago by gh-LBrunswic

  • Branch set to u/gh-LBrunswic/extension_of_admissible_indices_conventions_for_tensors_with_indices

comment:3 Changed 17 months ago by git

  • Commit set to 93ec3e7edac270064869a578a7a4359e2da31cb1

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

​93ec3e7Bug correction and updated documentation and tests

comment:4 Changed 17 months ago by gh-LBrunswic

  • Status changed from new to needs_review

comment:5 Changed 14 months ago by mkoeppe

  • Milestone changed from sage-9.1 to sage-9.2

Batch modifying tickets that will likely not be ready for 9.1, based on a review of the ticket title, branch/review status, and last modification date.

comment:6 Changed 12 months ago by egourgoulhon

See ​https://sympa.obspm.fr/wws/arc/sagemanifolds.list/2020-01/msg00003.html for a discussion relevant for this ticket.

Version 0, edited 12 months ago by egourgoulhon (next)

comment:7 Changed 12 months ago by egourgoulhon

  • Status changed from needs_review to needs_info

comment:8 Changed 9 months ago by mkoeppe

  • Component changed from PLEASE CHANGE to manifolds

comment:9 Changed 8 months ago by mkoeppe

  • Milestone changed from sage-9.2 to sage-9.3

comment:10 Changed 3 months ago by mkoeppe

  • Milestone changed from sage-9.3 to sage-9.4

Setting new milestone based on a cursory review of ticket status, priority, and last modification date.

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