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Kernel estimates for a class of Kolmogorov semigroups |
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| Authors: | Chiara Spina |
| Affiliation: | (1) Dipartimento di Matematica “Ennio De Giorgi”, Università di Lecce, C.P. 193, 73100 Lecce, Italy |
| Abstract: | We prove short time pointwise upper bounds for the heat kernels of certain Kolmogorov operators. We use Lyapunov function techniques, where the Lyapunov functions depend also on the time variable. Received: 29 November 2007 |
| Keywords: | KeywordHeading" >Mathematics Subject Classification (2000). 35K65 47D07 60J35 |
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