Abstract
In this paper we study the possibility to represent the heat kernel associated with a pseudo differential operator with negative definite symbol with the help of a combination of two metrics associated with the symbol. We discuss in great detail two examples and we outline the consequences of this approach.
Dedicated to Professor Francesco Altomare
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Evans, K.P., Jacob, N. (2023). Some Geometric Observations on Heat Kernels of Markov Semigroups with Non-local Generators. In: Candela, A.M., Cappelletti Montano, M., Mangino, E. (eds) Recent Advances in Mathematical Analysis. Trends in Mathematics. Birkhäuser, Cham. https://doi.org/10.1007/978-3-031-20021-2_17
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