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math-ph2010★ 13 cited
Feynman integrals and motives of configuration spaces
Ozgur Ceyhan, Matilde Marcolli
We formulate the problem of renormalization of Feynman integrals and its relation to periods of motives in configuration space instead of momentum space. The algebro-geometric sett…
math-ph2010★ 1 cited
Deformations of QFTs and Connes-Marcolli's renormalization group in Epstein-Glaser scheme
Ozgur Ceyhan
This short note aims to describe the deformations of QFTs and give an action of the same pro-algebraic group which appears in Connes-Marcolli's setting, on the finite QFTs co…