Comment on `Lost in Translation: Topological Singularities in Group Field Theory'

Details Comment on `Lost in Translation: Topological Singularities in Group Field Theory' Comment on `Lost in Translation: Topological Singularities in Group Field Theory'

2011-02-09

arxiv.org/abs/1102.1844v2

Class.Quant.Grav.28:178001,2011

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1088/0264-9381/28/17/178001

Gurau argued in [arXiv:1006.0714] that the gluing spaces arising as Feynman
diagrams of three-dimensional group field theory are not all pseudo-manifolds.
I dispute this conclusion: albeit not properly triangulated, these spaces are
genuine pseudo-manifolds, viz. their singular locus is of codimension at least
two.

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