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Continuity and Schatten-von Neumann p-class membership of Hankel operators with anti-holomorphic symbols on (generalized) Fock spaces
Authors:Wolfgang Knirsch  Georg Schneider
Affiliation:Universität Wien, Institut für Mathematik, Nordbergstr. 15, A-1090 Wien, Austria
Abstract:In this paper we investigate Hankel operators View the MathML source with anti-holomorphic symbols View the MathML sourceL2(C,m|z|), where View the MathML source are general Fock spaces. We will show that View the MathML source is not continuous if the corresponding symbol is not a polynomial View the MathML source. For polynomial symbols we will give necessary and sufficient conditions for continuity and compactness in terms of N and m. For monomials View the MathML source we will give a complete characterization of the Schatten-von Neumann p-class membership for p>0. Namely in case 2k<m the Hankel operators View the MathML source are in the Schatten-von Neumann p-class iff p>2m/(m−2k); and in case 2k?m they are not in the Schatten-von Neumann p-class.
Keywords:Hankel operator   (General) Fock spaces   Weighted Bergman spaces and Bergman kernel   Bergman projection   Canonical solution operator to   mmlsi13"   onclick="  submitCitation('/science?_ob=MathURL&  _method=retrieve&  _eid=1-s2.0-S0022247X05006554&  _mathId=si13.gif&  _pii=S0022247X05006554&  _issn=0022247X&  _acct=C000054348&  _version=1&  _userid=3837164&  md5=54ed8d87f034cc498407aed15788fd58')"   style="  cursor:pointer  "   alt="  Click to view the MathML source"   title="  Click to view the MathML source"  >  14"   border="  0"   style="  vertical-align:bottom"   width="  10"   alt="  View the MathML source"   title="  View the MathML source"   src="  http://ars.els-cdn.com/content/image/1-s2.0-S0022247X05006554-si13.gif"  >
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