On multifunctions

ME Abd El-Monsef, AA Nasef - Chaos, Solitons & Fractals, 2001 - Elsevier
… study γ-continuous multifunctions as a … multifunctions and to obtain several characterizations
of upper (lower) γ-continuous multifunctions and several properties of such multifunctions. …

[图书][B] Measurable multifunctions

C Castaing, M Valadier, C Castaing, M Valadier - 1977 - Springer
… , the product tribe f ®% on TxU is the smallest tribe containing … a positive or bounded measure
on T into a measure on U). If … We shall consider the multifunction f1 from T1 to subsets of S, …

[PDF][PDF] A note on multifunctions

O ÖZER - ACTA UNIYERSITATIS SZEGEDIENSIS, 1983 - core.ac.uk
… We will say that a multifunction F: X—Y is point closed (point compact) if F (x) is … multifunction
is analogous to the definition of an open or closed single valued mapping. A multifunction F: …

Retracting multifunctions

GT Whyburn - Proceedings of the National Academy of …, 1968 - National Acad Sciences
On the other hand, suppose f is retracting and take any … multifunctions neither of these
implications necessarily holds. For if we define f(x) = (x, co) (the open interval from x to co), for x on

Continuity of multifunctions

GT Whyburn - Proceedings of the National Academy of …, 1965 - National Acad Sciences
on multifunctions, it should be kept in mind that upper semicontinuity (use) for a multifunction
reduces precisely to continuity in case of single-valuedness when the multifunction

Bandpass class-F power amplifier based on multifunction hybrid cavity–microstrip filter

QY Guo, XY Zhang, JX Xu, YC Li… - … on Circuits and Systems …, 2016 - ieeexplore.ieee.org
This brief presents a filter-integrated high-efficiency class-F power amplifier (PA). The hybrid
cavity-microstrip filtering circuit is employed not only to realize output impedance matching …

Some inequalities on multi-functions for applying in the fractional Caputo–Hadamard jerk inclusion system

S Etemad, I Iqbal, ME Samei, S Rezapour… - Journal of Inequalities …, 2022 - Springer
… for a class of generalized fractional inclusions based on the Caputo–Hadamard jerk system.
Under some inequalities between multi-functions and with the help of special contractions …

Almost weakly continuous multifunction

T Noiri, V Popa - Demonstratio Mathematica, 1993 - degruyter.com
multifunctions. In §3, we obtain many characterizations of upper (lower) almost weakly
continuous multifunctions. … basis E for the topology on Y such that Fr(V) is compact for each V in S. …

Some notes on multifunctions

O Feichtinger, WR Geiger - Studies in Topology, 1975 - Elsevier
… expand on some of the ideas given in the above paper and to present additional work on this
… The purpose of this paper is to expand on some of the ideas given in the above paper and …

Simultaneous direct analysis of benzimidazole fungicides and relevant metabolites in agricultural products based on multifunction dispersive solid-phase extraction …

B Guo, Z Huang, M Wang, X Wang, Y Zhang… - … of Chromatography A, 2010 - Elsevier
… a conservative homogenizing extraction and multifunction adsorption cleanup (CHEMAC), …
, while no significant differential matrix effects were detected on the LC–MS/MS analysis in all …