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Heat-Semigroup-Based Besov Capacity on Dirichlet Spaces and Its Applications

Author

Listed:
  • Xiangyun Xie

    (School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China)

  • Haihui Wang

    (School of Mathematical Sciences, Beihang University, Beijing 100191, China)

  • Yu Liu

    (School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China)

Abstract

In this paper, we investigate the Besov space and the Besov capacity and obtain several important capacitary inequalities in a strictly local Dirichlet space, which satisfies the doubling condition and the weak Bakry–Émery condition. It is worth noting that the capacitary inequalities in this paper are proved if the Dirichlet space supports the weak ( 1 , 2 ) -Poincaré inequality, which is weaker than the weak ( 1 , 1 ) -Poincaré inequality investigated in the previous references. Moreover, we first consider the strong subadditivity and its equality condition for the Besov capacity in metric space.

Suggested Citation

  • Xiangyun Xie & Haihui Wang & Yu Liu, 2024. "Heat-Semigroup-Based Besov Capacity on Dirichlet Spaces and Its Applications," Mathematics, MDPI, vol. 12(7), pages 1-17, March.
    • Handle: RePEc:gam:jmathe:v:12:y:2024:i:7:p:931-:d:1361708
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