On sequences of upper and lower semi-quasicontinuous functions

• Autorzy: Grande Z.
• Języki publikacji: EN

Abstrakty

EN

In this article we investigate the pointwise, discrete and transfinite convergences in the classes of real functions defined on topological spaces which are upper and lower quasicontinuous at each point.

Słowa kluczowe

EN

quasicontinuity; upper semi-quasicontinuity; cliquishsness; sequence of functions; discrete convergence

PL

quasi-ciągłość; górna pół quasi-ciągłość; ciąg funkcji; dyskretna konwergencja; zbieżność

• Wydawca: De Gruyter
• Czasopismo: Journal of Applied Analysis
• Rocznik: 2001
• Tom: Vol. 7, nr 2
• Strony: 235--242
• Opis fizyczny: Bibliogr. 10 poz.

Twórcy

autor

Grande Z.

• Institute of Mathematics Bydgoszcz Academy Plac Weyssenhoffa 11 85-072 Bydgoszcz Poland

Bibliografia

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• [4] Grande, Z., Quasicontinuity, cliquishness and the Baire property of functions of two variables (submitted to Tatra Mt. Math. Publ.).
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• [6] Kempisty, S., Sur les fonctions quasi-continues, Fund. Math. 19 (1932), 184-197.
• [7] Lipiński, J. S., On transfinite sequences of mappings, Ćasopis Pëst. Mat. 101 (1976), 153-158.
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• [9] Sierpiński, W., Sur les suites transfinies convergentes de fonctions de Baire, Fund. Math. 1 (1920), 132-141.
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