


Paper's Title:
Sharp L^{p} Improving Results for Singular Measures on C^{n+1}
Author(s):
E. Ferreyra, M. Urciuolo
FaMAFCIEM,
Universidad Nacional de CórdobaConicet,
Ciudad Universitaria, 5000 Córdoba,
Argentina
eferrey@famaf.unc.edu.ar
urciuolo@famaf.unc.edu.ar
Abstract:
For j=1,...,n, let Ω_{j} be open sets of the complex plane and let φ_{j} be holomorphic functions on Ω_{j} such that φ_{j}^{''} does not vanish identically on Ω_{j.} We consider φ(z_{1},...,z_{n}) =φ_{1}(z_{1}) +...+φ_{n}(z_{n}). We characterize the pairs (p,q) such that the convolution operator with the surface measure supported on a compact subset of the graph of φ is pq bounded.
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