Diagonalization approach to discrete quadratic functionals

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Authors	BOHNER Martin DOŠLÝ Ondřej HILSCHER Roman KRATZ Werner
Year of publication	2003
Type	Article in Periodical
Magazine / Source	Archives of Inequalities and Applications
MU Faculty or unit	Faculty of Science
Citation
Field	General mathematics
Keywords	discrete quadratic funcional; symplectic difference system; natural conjoined basis; admissible sequence
Description	A necessary and sufficient condition for the nonnegativity of the discrete quadratic functional corresponding to a symplectic difference system is proved using the diagonalization method.
Related projects:	Qualitative theory of solutions of difference equations