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math.PR2012
Gradient estimates of q-harmonic functions of fractional Schrodinger operator
Tadeusz Kulczycki
We study gradient estimates of -harmonic functions of the fractional Schr{ö}dinger operator , in bounded domains . For nonnegative…
math.MG2012★ 1 cited
Invisibility via reflecting coating
Krzysztof Burdzy, Tadeusz Kulczycki
We construct a subset of the unit disc with the following properties. (i) The set is the finite union of disjoint line segments. (ii) The shadow of is arbitrarily close…