26 citations · 52 across the 26 of their papers we have counts for
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math.CA2017★ 4 cited
Reifenberg Flatness and Oscillation of the Unit Normal Vector
Simon Bortz, Max Engelstein
We show (under mild topological assumptions) that small oscillation of the unit normal vector implies Reifenberg flatness. We then apply this observation to the study of chord-arc…
math.CA2017
Non-local Gehring lemmas in spaces of homogeneous type and applications
Pascal Auscher, Simon Bortz, Moritz Egert +1
We prove a self-improving property for reverse H{ö}lder inequalities with non-local right hand side. We attempt to cover all the most important situations that one encounters when…