A New Kupka Type Continuity, Î»-Compactness and Multifunctions

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Abstract

In this paper, we introduce a new Kupka type function called Î»-Kupka and we investigate some of its properties. Also we obtain several characterizations and some basic properties concerning upper (lower) Î»-continuous multifunctions.

Keywords

Topological spaces , Î›-sets , Î»-open sets , Î»-closed sets , Î»-Kupka continuity , multifunction

M. Caldas Departamento de Matemática Aplicada, Universidade Federal Fluminense, Rua Mário Santos Braga, s/n, 24020-140, Niterói, Rio de Janeiro, Brasil.
E. Hatir Egitim Fakültesi, Selçuk Ìniversitesi, Matematik Bölümü, 42090 Konya, Turkey.
S. Jafari Department of Economics, Copenhagen University, Oester Farimagsgade 5, Bygning 26, 1353 Copenhagen K, Denmark.
T. Noiri 2949-1 Shiokita-cho, Hinagu, Yatsushiro-shi, Kumamoto-ken, 869-5142, Japan.

Pages: 1–13
Date Published: 2009-09-01
Vol. 11 No. 4 (2009): CUBO, A Mathematical Journal

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Published

2009-09-01

How to Cite

[1]

M. Caldas, E. Hatir, S. Jafari, and T. Noiri, “A New Kupka Type Continuity, Î»-Compactness and Multifunctions”, CUBO, vol. 11, no. 4, pp. 1–13, Sep. 2009.

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Vol. 11 No. 4 (2009): CUBO, A Mathematical Journal

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Articles

Most read articles by the same author(s)

P. Jeyanthi, P. Nalayini, T. Noiri, Pre-regular \(sp\)-open sets in topological spaces , CUBO, A Mathematical Journal: Vol. 20 No. 1 (2018)
R. Devi, A. Selvakumar, M. Parimala, S. Jafari, On strongly Î±-ð˜-ð˜–ð‘ð‘’ð‘› sets and a new mapping , CUBO, A Mathematical Journal: Vol. 13 No. 1 (2011): CUBO, A Mathematical Journal

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L. Philo Nithya, Joseph Varghese Kureethara, Independent partial domination , CUBO, A Mathematical Journal: Vol. 23 No. 3 (2021)
George A. Anastassiou, Foundations of generalized Prabhakar-Hilfer fractional calculus with applications , CUBO, A Mathematical Journal: Vol. 23 No. 3 (2021)
Edoardo Ballico, A characterization of \(\mathbb F_q\)-linear subsets of affine spaces \(\mathbb F_{q^2}^n\) , CUBO, A Mathematical Journal: Vol. 24 No. 1 (2022)
Svetlin Georgiev, Mohamed Majdoub, Two nonnegative solutions for two-dimensional nonlinear wave equations , CUBO, A Mathematical Journal: Vol. 24 No. 3 (2022)
Buddhadev Pal, Santosh Kumar, Pankaj Kumar, Einstein warped product spaces on Lie groups , CUBO, A Mathematical Journal: Vol. 24 No. 3 (2022)
Said Ait Temghart, Chakir Allalou, Adil Abbassi, Existence results for a class of local and nonlocal nonlinear elliptic problems , CUBO, A Mathematical Journal: Vol. 25 No. 1 (2023)
Raúl Fierro, Sergio Pizarro, Fixed points of set-valued mappings satisfying a Banach orbital condition , CUBO, A Mathematical Journal: Vol. 25 No. 1 (2023)
S. S. Dragomir, Several inequalities for an integral transform of positive operators in Hilbert spaces with applications , CUBO, A Mathematical Journal: Vol. 25 No. 2 (2023)
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