papers
Publications (18)
q-alg1997
Knot Invariants from a Kohno-Kontsevich Integral for Braids
Roger Picken
math.DG2001
Holonomy and parallel transport for Abelian gerbes
Marco Mackaay, Roger Picken
math.DG2004
TQFT's and gerbes
Roger Picken
math-ph2004
Parasupersymmetric Quantum Mechanics of Order 3 and a Generalized Witten Index
Marko Stosic, Roger Picken
math.DG2008
On two-Dimensional Holonomy
Joao Faria Martins, Roger Picken
math.CT2010
The fundamental Gray 3-groupoid of a smooth manifold and local 3-dimensional holonomy based on a 2-crossed module
Joao Faria Martins, Roger Picken
math.CT2010
A Cubical Set Approach to 2-Bundles with Connection and Wilson Surfaces
Joao Faria Martins, Roger Picken
math.DG2003
A cohomological description of Abelian bundles and gerbes
Roger Picken
math.GT2016
Link invariants from finite categorical groups
Joao Faria Martins, Roger Picken
math.CT2016
Transformation Double Categories Associated to 2-Group Actions
Jeffrey C. Morton, Roger Picken
math.GT2013
Colourings and the Alexander Polynomial
LuÃs Camacho, F. Miguel DionÃsio, Roger Picken
math.CO2018
Some properties of Bowlin and Brin's color graphs
Rui Pedro Carpentier, Roger Picken
math.GT2017
Invariants and TQFT's for cut cellular surfaces from finite 2-groups
Diogo Bragança, Roger Picken
math.DG2001
2-Categories, 4d state-sum models and gerbes
Marco Mackaay, Roger Picken
math.GT2016
Invariants and TQFT's for cut cellular surfaces from finite groups
Diogo Bragança, Roger Picken
math.GT2013
Link invariants from finite categorical groups and braided crossed modules
João Faria Martins, Roger Picken
q-alg1997
Reflections on Topological Quantum Field Theory
Roger Picken
math.SG2011
On invariants of almost symplectic connections
Rui Albuquerque, Roger Picken