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- Amer Iqbal, Can KozÃ§az, Cumrun Vafa
- 2007

We define a refined topological vertex which depends in addition on a parameter, which physically corresponds to extending the self-dual graviphoton field strength to a more general configuration.â€¦ (More)

- Amer Iqbal, Nikita Nekrasov, Andrei Okounkov, Cumrun Vafa, Jefferson
- 2003

We find an interpretation of the recent connection found between topological strings on Calabi-Yau threefolds and crystal melting: Summing over statistical mechanical configuration of melting crystalâ€¦ (More)

Quiver theories arising on D3-branes at orbifold and del Pezzo singularities are studied using mirror symmetry. We show that the quivers for the orbifold theories are given by the soliton spectrum ofâ€¦ (More)

- Amihay Hanany, Amer Iqbal
- 2008

We study N = 1 four dimensional quiver theories arising on the worldvolume of D3-branes at del Pezzo singularities of Calabi-Yau threefolds. We argue that under local mirror symmetry D3-branes becomeâ€¦ (More)

- Sergei Gukov, Amer Iqbal, Can KozÃ§az, Cumrun Vafa
- 2008

We establish a direct map between refined topological vertex and sl(N ) homological invariants of the of Hopf link, which include Khovanov-Rozansky homology as a special case. This relation providesâ€¦ (More)

In a previous paper we explored how conjugacy classes of the modular group classify the symmetry algebras that arise on type IIB [p,q] 7-branes. The Kodaira list of finite Lie algebras completelyâ€¦ (More)

We compute the prepotential of N = 2 supersymmetric gauge theories in four dimensions obtained by toroidal compactifications of gauge theories from 6 dimensions, as a function of KÃ¤hler and complexâ€¦ (More)

- Amer Iqbal, Amir-Kian Kashani-Poor
- 2003

It has been conjectured recently that the field theory limit of the topological string partition functions, including all higher genus contributions, for the family of CY3folds giving rise to N = 2â€¦ (More)

- Amer Iqbal
- 2002

A conjecture for computing all genus topological closed string amplitudes on toric local Calabi-Yau threefolds, by interpreting the associated 5-brane web as a Feynman diagram, is given. A propagatorâ€¦ (More)

- Eduard R. KÃ¼hn, Eddy M-P Decuypere, Amer Iqbal, D Luysterborgh, R P Michielsen
- Hormone and metabolic research = Hormon- undâ€¦
- 1988

The influence of an intravenous injection of thyrotrophin-releasing hormone (TRH) and bovine thyrotrophin (TSH) on circulating levels of thyroid hormones and the liver 5'-monodeiodination (5'-D)â€¦ (More)