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1.
Sergio Albeverio Volodymyr Koshmanenko Mykola Pratsiovytyi Grygoriy Torbin 《Positivity》2006,10(1):39-49
We introduce the conflict interaction with two positions between a couple of image probability measures and consider the associated
dynamical system. We prove the existence of invariant limiting measures and find the criteria for these measures to be a pure
point, absolutely continuous, or singular cotinuous as well as to have any topological type and arbitary Hausdorff dimension. 相似文献
2.
3.
We discuss the Schrödinger operator with positive singular perturbations given by operators which act in the space constructed by a positive measure supported by a null set. We construct examples when perturbations are given by the one-dimensional Laplacian on a segment. 相似文献
4.
We investigate a dynamical system of conflict between two systems each of which, in turn, has an internal conflict. The external
conflict and the internal one have different natures. The external conflict is described by an alternative interaction between
nonannihilating adversaries. The internal conflict is similar to a conflict between interrelated populations of different
biological nature (“predator-prey” model). We construct a computer model of this system and describe a typical behavior, illustrated
by diagrams, which can be interpreted, in particular, as a migration of labor and investments between countries.
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Translated from Neliniini Kolyvannya, Vol. 9, No. 4, pp. 435–450, October–December, 2006. 相似文献
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6.
Sergio Albeverio Alexei Konstantinov Volodymyr Koshmanenko 《Integral Equations and Operator Theory》2005,52(4):455-464
The decomposition theory for the singular continuous spectrum of rank one singular perturbations is studied. A generalization of the well-known Aronszajn-Donoghue theory to the case of decompositions with respect to α-dimensional Hausdorff measures is given and a characterization of the supports of the α-singular, α-absolutely continuous, and strongly α-continuous parts of the spectral measure of
- class rank one singular perturbations is given in terms of the limiting behaviour of the regularized Borel transform. 相似文献
7.
V. D. Koshmanenko 《Ukrainian Mathematical Journal》2000,52(5):715-728
For a sequence of singular perturbations belonging to the H
-1-class and converging to a given singular perturbation from the H
-2-class, we find a method of additive regularization that guarantees the strong resolvent convergence of perturbed operators. 相似文献
8.
9.
Conditions on the additive component of a singular bilinear form are found under which the sum is a regular form. As an application the question of regularization of -shaped forms is considered. The case of tensor products of spaces and forms is considered.Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 42, No. 9, pp. 1199–1204, September, 1990. 相似文献
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