Discrete quadratic functionals and symplectic difference systems
| Authors | |
|---|---|
| Year of publication | 2004 |
| Type | Article in Periodical |
| Magazine / Source | Funct. Differ. Equ. |
| MU Faculty or unit | |
| Citation | |
| Field | General mathematics |
| Keywords | Discrete quadratic functional; kernel condition; nonnegativity; Picone's identity |
| Description | The survey of recent results on positivity and nonnegativity of discrete quadratic functionals corresponding to symplectic difference systems are presented and a new condition for nonegativity of these functionals is established. |
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