论文信息 - Sharp conditions for existence of nontrivial invariant cones of nonnegative initial values of difference equations - 字舞流文

Sharp conditions for existence of nontrivial invariant cones of nonnegative initial values of difference equations

[1] G. Ladas,et al. Conditions for oscillation of difference equations with applications to equations with piecewise constant arguments , 1991 .

[2] I. Györi,et al. Invariant cones of positive initial functions for delay differential equations , 1990 .

[3] R. Agarwal. Comparison results for multidimensional difference equations , 1988 .

[4] A. R. Aftabizadeh,et al. Oscillatory and periodic solutions of delay differential equations with piecewise constant argument , 1987 .

[5] Hal L. Smith. Monotone semiflows generated by functional differential equations , 1987 .

[6] W. T. Patula,et al. Oscillatory second-order linear di erence equations and Riccati equations , 1987 .

[7] G. Seifert,et al. Positively invariant closed sets for systems of delay differential equations , 1976 .

[8] G. M.,et al. Partial Differential Equations I , 2023, Applied Mathematical Sciences.