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arxiv: 1303.1841 · v1 · pith:KYO62GOOnew · submitted 2013-03-07 · 🧮 math.CV

H\"older continuity of pluricomplex Green function and Markov brothers' inequality

classification 🧮 math.CV
keywords alphacontinuityoldercriterionfunctiongreeninequalitymain
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Let V_E be the pluricomplex Green function associated to a compact subset E of C^N. The well known H\"older Continuity Property of E means that there exist constants B > 0, 0< c =< 1 such that V_E(z) =< B dist(z,E)^c. The main result of this paper says that this condition is equivalent to a Vladimir Markov type inequality, i.e. || D^\alpha P ||_E =< M^{|\alpha |} (deg P)^{m|\alpha|} (|\alpha |!)^{1-m} ||P||_E, where m,M>0 are independent of the polynomial P of N variables. We give some applications of this equivalence and we present its generalization related to a notion of a fit majorant. Moreover, as a consequence of the main result we obtain a criterion for the H\"older Continuity Property in several complex variables of the type of Siciak's L-regularity criterion.

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