Series representations of N-fold Mellin-Barnes integrals for basis and complete kernels of operator functions are obtained in non-resonant and resonant cases and linked to UV/IR asymptotics.
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Multiple Mellin-Barnes integrals in Schwinger-DeWitt technique
Series representations of N-fold Mellin-Barnes integrals for basis and complete kernels of operator functions are obtained in non-resonant and resonant cases and linked to UV/IR asymptotics.