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Poincaré inequality and related function spaces on fractals

Prelegent(ci)
Katarzyna Pietruska-Pałuba
Afiliacja
Uniwersytet Warszawski
Termin
15 listopada 2012 12:15
Pokój
p. 3260
Seminarium
Seminarium Zakładu Rachunku Prawdopodobieństwa

Given a nondegenerate harmonic structure, we elementarily prove a Poincaré-type inequality for functions in the domain of the Dirichlet form on nested fractals, involving the Kusuoka energy measure. We then study the Hajłasz-Sobolev spaces on nested fractals.
The results were obtained jointly with Andrzej Stós.