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    • Improved fractional Poincaré type inequalities in John domains 

      Cejas E.; Drelichman I.; Martínez-Perales J. (Arkiv för Matematik, 2019)
      We obtain improved fractional Poincaré inequalities in John domains of a metric space $(X, d)$ endowed with a doubling measure $\mu$ under some mild regularity conditions on the measure $\mu$. We also give sufficient ...