14.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of PaduaIT5.1k papers
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10 papers · 2 filters
Cubic curves from instanton counting
Sergey Shadchin
We investigate the possibility to extract Seiberg-Witten curves from the formal series for the prepotential, which was obtained by the Nekrasov approach. A method for models whose…
Area preserving diffeomorphisms and Yang-Mills theory in two noncommutative dimensions
A. Bassetto, G. De Pol, A. Torrielli +1
We present some evidence that noncommutative Yang-Mills theory in two dimensions is not invariant under area preserving diffeomorphisms, at variance with the commutative case. Stil…
An index for the Dirac operator on D3 branes with background fluxes
Eric Bergshoeff, Renata Kallosh, Amir-Kian Kashani-Poor +2
We study the problem of instanton generated superpotentials in Calabi-Yau orientifold compactifications directly in type IIB string theory. To this end, we derive the Dirac equatio…
Worldline Approach of Topological BF Theory
Ichiro Oda, Mario Tonin
We present a worldline description of topological non-abelian BF theory in arbitrary space-time dimensions. It is shown that starting with a trivial classical action defined on the…
Higher genus superstring amplitudes from the geometry of moduli spaces
Marco Matone, Roberto Volpato
We show that the higher genus 4-point superstring amplitude is strongly constrained by the geometry of moduli space of Riemann surfaces. A detailed analysis leads to a natural prop…
Y-formalism in Pure Spinor Quantization of Superstrings
I. Oda, M. Tonin
We present the Y-formalism in the pure spinor quantization of superstring theory in detail. Even if the OPE is not completely free owing to the presence of the projector refl…
On the invariance under area preserving diffeomorphisms of noncommutative Yang-Mills theory in two dimensions
A. Bassetto, G. De Pol, A. Torrielli +1
We present an investigation on the invariance properties of noncommutative Yang-Mills theory in two dimensions under area preserving diffeomorphisms. Stimulated by recent remarks b…
The Cocycle of the Quantum HJ Equation and the Stress Tensor of CFT
Marco Matone
We consider two theorems formulated in the derivation of the Quantum Hamilton-Jacobi Equation from the EP. The first one concerns the proof that the cocycle condition uniquely defi…
Dynamics of Higher Spin Fields and Tensorial Space
I. Bandos, X. Bekaert, J. A. de Azcarraga +2
The structure and the dynamics of massless higher spin fields in various dimensions are reviewed with an emphasis on conformally invariant higher spin fields. We show that in D=3,4…
Dirac Action on M5 and M2 Branes with Bulk Fluxes
Renata Kallosh, Dmitri Sorokin
We derive an explicit form of the quadratic in fermions Dirac action on the M5 brane for an arbitrary on-shell background of 11D supergravity with non-vanishing fluxes and in prese…