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David Roberson's user avatar
David Roberson's user avatar
David Roberson's user avatar
David Roberson
  • Member for 11 years, 5 months
  • Last seen this week
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17
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About

Interested in algebraic graph theory and quantum information.

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87
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Top posts
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All Questions Answers
Score Newest
question
10
Cospectral mate of rhombic dodecahedron
Apr 28, 2017
question
10
Correspondence between matrix multiplication and a graph operation of Lovász
Jun 29, 2019
answer
9
Spectrum of orthogonality graph (2)
Mar 9, 2018
answer
9
Computer program for counting graph homomorphisms
Jun 20, 2018
question
8
Has anyone seen this graph?
Oct 18, 2011
question
8
Does there exist a nontrivial perfect group with a "locally commuting" presentation?
Mar 24, 2021
question
8
Partial order on graphs induced by homomorphism counts
Jan 25
answer
8
Finite sets of vectors closed under an orthogonality property
Oct 23, 2015
question
7
Can every trace preserving isomorphism of unital self-adjoint matrix algebras be realized as conjugation by a unitary?
Mar 10, 2016
answer
7
Graph homomorphisms and line graph
Oct 15, 2015

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