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Showing 1992 · hep-thShow all
3 papers · 2 filters
hep-th1992★ 2 cited
Noncommutative Geometry and The Ising Model
Andrzej Sitarz
The main aim of this work is to present the interpretation of the Ising type models as a kind of field theory in the framework of noncommutative geometry. We present the method and…
hep-th1992★ 41 cited
Noncommutative Geometry and Gauge Theories on Discrete Groups
Andrzej Sitarz
We build and investigate a pure gauge theory on arbitrary discrete groups. A systematic approach to the construction of the differential calculus is presented. We discuss the metri…
hep-th1992★ 63 cited
Quantum Gravity, Dynamical Triangulation and Higer Derivative Regularization
J. Ambjorn, J. Jurkiewicz, C. F. Kristjansen
We consider a discrete model of euclidean quantum gravity in four dimensions based on a summation over random simplicial manifolds. The action used is the Einstein-Hilbert action p…