An answer to a question of David A. Rose

  • Miguel Caldas Universidade Federal Fluminense
Palabras clave: topological space, weak continuity, weak openness

Resumen

In 1984 David.A. Rose {3} asked the following question: When a surjection f : X →Y , is weak openness related to the condition Cl(f(U)) f(Cl(U)) for each open U X?. In this note we give an alternative answer to his question.

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Cómo citar
Caldas, M. (2001). An answer to a question of David A. Rose. Pro Mathematica, 15(29-30), 93-96. Recuperado a partir de https://revistas.pucp.edu.pe/index.php/promathematica/article/view/8169

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