Modern techniques of multiloop calculations
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I present a few new and recent ideas of the multiloop calculations.
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Cited by 4 Pith papers
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One-loop five-point gluing analytically
Authors deliver the first full analytic expressions for all processes in the one-loop five-point gluing corrections of N=4 SYM stress tensor multiplets by converting residue series to Euler integrals integrated direct...
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On the spanning cuts consistency problem in the IBP reductions of Feynman integrals
Inconsistency in spanning cuts for IBP reductions arises because cuts can make hidden terms in IBP relations finite via pinch singularities that cancel vanishing parameters, linked to hidden linear relations between p...
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Five legs @ three loops: slightly off-shell dual conformal integrals
Three-loop five-point master integrals in N=4 SYM are evaluated via DCI-preserving regularization, cross-ratio factorization, and selective IBP/HyperInt reduction on 82 regions.
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Feynman Integral Reduction without Integration-By-Parts
Contour equivalence in Feynman parameterization yields universal reduction formulas for one-loop integrals without integration-by-parts.
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