Positive semidefiniteness of discrete quadratic functionals

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Authors

DOŠLÝ Ondřej BOHNER Martin KRATZ Werner

Year of publication 2003
Type Article in Periodical
Magazine / Source Proc. Edinburhg Math. Soc
MU Faculty or unit

Faculty of Science

Citation
Web http://uk.cambridge.org/journals/pem
Field General mathematics
Keywords Hamiltonian systems; symplectic systems; discrete quadratic functionals; nonnegativity
Description Necessary and sufficient condition for nonnegativity of quadratic functionals corresponding to symplectic difference systems is proved.
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