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Abdelmalek Abdesselam

I am a mathematical physicist working on:

• Constructive quantum field theory.

• Rigorous renormalization group methods.

• Mathematical statistical mechanics.

• Combinatorics related to Feynman diagrams and cluster expansions.

• Classical invariant theory, and applications of the classical symbolic method to problems in algebraic geometry and representation theory.

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31 What is the Wilsonian definition of renormalizability? Dec 20 '17
16 Which QFTs were rigorously constructed? Oct 20 '11
16 Other processes than formal power series expansions in quantum field theory calculations Oct 13 '11
12 Continuum theory from lattice theory Oct 13 '11
9 Problem understanding the symmetry factor in a Feynman diagram May 4 '15
9 What actually means to compute things at tree level? May 17 '17
8 Critical 2d Ising Model Apr 8 '17
8 What exactly is regularization in QFT? Apr 5 '15
8 On a rigorous definition of Feynman's functional integral$.$ Feb 12 '18
7 What is the issue with interactions in QFT? May 29 '17
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