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Degenerate-elliptic operators in mathematical finance and higher-order regularity for solutions to variational equations
Campanato space degenerate-elliptic di erential operator degenerate di usion process Heston stochastic volatility process Holder regularity mathematical nance Schauder a priori estimate Sobolev regularity variational equation weighted Sobolev space.
2012/9/17
We establish higher-order weighted Sobolev and Holder regularity for solutions to variational equations de ned by the elliptic Heston operator, a linear second-order degenerate-elliptic operator aris...
Simplified stock markets described by number operators
Stock markets Canonical commutation relations
2010/11/1
In this paper we continue our systematic analysis of the operatorial approach previously
proposed in an economical context and we discuss a mixed toy model of a simplified stock market, i.e. a model ...
The European Travel Agents’ and Tour Operators’ Associations(ECTAA)
tourism industry 旅游业 travel agents 旅行社
2007/12/25
The principal objective of European Travel Agents’ and Tour Operators’ Associations is to represent and promote the interests of the tourism industry, and more particularly, the interests of the trave...