Y. Melnikov, On the concentration of the spectrum of integral-difference collision operator with Gaussian equilibrium distribution function in a vicinity of zero, J MATH PHYS, 42(4), 2001, pp. 1900-1906
We study integral-difference collision operators with a truncated Gaussian
equilibrium distribution function. We prove that the number of eigenvalues
in an arbitrary small vicinity of zero goes to infinity when the truncation
parameter goes to infinity. (C) 2001 American Institute of Physics.