
The author discusses existence of fixed points and coupled quasi-fixed points of mixed monotone operators. Some special cases from [\textit{D. Guo} and \textit{V. Lakshmikantham}, Nonlinear problems in abstract cones, San Diego (1988; Zbl 0661.47045)] are also discussed.
coupled fixed point, semi-condensing operator, Fixed-point theorems, fixed points, Applied Mathematics, coupled quasi-fixed points, mixed monotone operators, Monotone operators and generalizations, condensing operator, Analysis
coupled fixed point, semi-condensing operator, Fixed-point theorems, fixed points, Applied Mathematics, coupled quasi-fixed points, mixed monotone operators, Monotone operators and generalizations, condensing operator, Analysis
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 1 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Average | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
