Kernel estimates for a class of fractional Kolmogorov operators https://arxiv.org/abs/2408.12679 #mathDS #mathPR
Assuming a weighted Nash type inequality for the generator $-A$ of a Markov semigroup, we prove a weighted Nash type inequality for its fractional power and deduce non-uniform bounds on the transition kernel corresponding to the Markov semigroup generated by $-A^α$.
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