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Black-holes, topological strings and large N phase transitions
N. Caporaso, M. Cirafici, L. Griguolo +3
The counting of microstates of BPS black-holes on local Calabi-Yau of the form is explored by computing the partition…
Matrix Models, Large N Limits and Noncommutative Solitons
Richard J. Szabo
A survey of the interrelationships between matrix models and field theories on the noncommutative torus is presented. The discretization of noncommutative gauge theory by twisted r…
D-Branes in Noncommutative Field Theory
Richard J. Szabo
A mathematical introduction to the classical solutions of noncommutative field theory is presented, with emphasis on how they may be understood as states of D-branes in Type II sup…
Topological strings and large N phase transitions II: Chiral expansion of q-deformed Yang-Mills theory
Nicola Caporaso, Michele Cirafici, Luca Griguolo +3
We continue our study of the large N phase transition in q-deformed Yang-Mills theory on the sphere and its role in connecting topological strings to black hole entropy. We study i…
Topological strings and large N phase transitions I: Nonchiral expansion of q-deformed Yang-Mills theory
Nicola Caporaso, Michele Cirafici, Luca Griguolo +3
We examine the problem of counting bound states of BPS black holes on local Calabi-Yau threefolds which are fibrations over a Riemann surface by computing the partition function of…
Geometric K-Homology of Flat D-Branes
Rui M. G. Reis, Richard J. Szabo
We use the Baum-Douglas construction of K-homology to explicitly describe various aspects of D-branes in Type II superstring theory in the absence of background supergravity form f…