18 citations · 43 across the 10 of their papers we have counts for
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math-ph1999
C*-Multipliers, crossed product algebras, and canonical commutation relations
Jan Naudts
The notion of a multiplier of a group X is generalized to that of a C*-multiplier by allowing it to have values in an arbitrary C*-algebra A. On the other hand, the notion of the a…
quant-ph1999
Nonlinear von Neumann-type equations
Marek Czachor, Maciej Kuna, Sergiej B. Leble +1
We review some recent developments in the theory of nonlinear von Neumann equations. We distinguish between the von Neumann equation (which can be nonlinear) and the Liouville equa…
cond-mat.stat-mech1999
Dual description of nonextensive ensembles
Jan Naudts
In the case of a system with an unbounded hamiltonian the entropic index q of non-extensive thermodynamics has an upperbound q_c>1 beyond which the formalism becomes meaningless. T…