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Birdtracks for SU(N)

by Stefan Keppeler

This Submission thread is now published as SciPost Phys. Lect. Notes 3 (2018)

Submission summary

As Contributors: Stefan Keppeler
Arxiv Link: http://arxiv.org/abs/1707.07280v2 (pdf)
Date accepted: 2018-06-19
Date submitted: 2018-04-16 02:00
Submitted by: Keppeler, Stefan
Submitted to: SciPost Physics Lecture Notes
Academic field: Physics
Specialties:
  • Representation Theory
  • High-Energy Physics - Theory
  • High-Energy Physics - Phenomenology
  • Mathematical Physics
Approach: Theoretical

Abstract

I gently introduce the diagrammatic birdtrack notation, first for vector algebra and then for permutations. After moving on to general tensors I review some recent results on Hermitian Young operators, gluon projectors, and multiplet bases for SU(N) colour space.

Published as SciPost Phys. Lect. Notes 3 (2018)



Author comments upon resubmission

introduction added

List of changes

changes as stated in replies to referee reports


Reports on this Submission

Anonymous Report 3 on 2018-4-19 (Invited Report)

  • Cite as: Anonymous, Report on arXiv:1707.07280v2, delivered 2018-04-19, doi: 10.21468/SciPost.Report.419

Strengths

1) The paper is a pedagogical, self-contained review article, accessible to a non-expert audience.
2) The text is well-written and clear, with very few typos.
3) It contains easy exercises that keep the reader interested.

Weaknesses

None.

Report

I am satisfied with the changes made by the author.

Requested changes

No further changes required.

  • validity: high
  • significance: good
  • originality: ok
  • clarity: top
  • formatting: perfect
  • grammar: perfect

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