Planarizable supersymmetric quantum toboggans.
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Plus-operators in Krein spaces and dichotomous behavior of irreversible dynamical systems with discrete time
V. Khatskevich, L. Zelenko (2006)
Studia Mathematica
We study dichotomous behavior of solutions to a non-autonomous linear difference equation in a Hilbert space. The evolution operator of this equation is not continuously invertible and the corresponding unstable subspace is of infinite dimension in general. We formulate a condition ensuring the dichotomy in terms of a sequence of indefinite metrics in the Hilbert space. We also construct an example of a difference equation in which dichotomous behavior of solutions is not compatible with the signature...
Prolongements maximaux positifs d'opérateurs positifs et problèmes de perturbations singulières
C. Bardos (1971/1972)
Séminaire Équations aux dérivées partielles (Polytechnique)
Currently displaying 1 – 3 of 3
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