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Diagram technique for the heat kernel of the covariant Laplace operator (1905.05455v1)
Published 14 May 2019 in hep-th, math-ph, and math.MP
Abstract: We present a diagram technique used to calculate the Seeley-DeWitt coefficients for a covariant Laplace operator. We use the combinatorial properties of the coefficients to construct a matrix formalism and derive a formula for an arbitrary coefficient.
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