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math.QA2003★ 24 cited
2-categorical Poincare Representations and State Sum Applications
L. Crane, M. D. Sheppeard
This is intended as a self-contained introduction to the representation theory developed in order to create a Poincare 2-category state sum model for Quantum Gravity in 4 dimension…
math.QA2003★ 2 cited
Measurable Categories and 2-Groups
L. Crane, D. N. Yetter
Using the theory of measurable categories developped by Yetter in work in preparation, we provide a notion of representations of 2-groups more well-suited to physically and geometr…