Summary
Let κ be an infinite regular cardinal. We are concerned with the question when the κ-convergence is topologyzable. In particular, we show that if<span style='font-size:10.0pt;font-family:"Lucida Sans Unicode"'>cis regular then<span style='font-size:10.0pt; font-family:"Lucida Sans Unicode"'>c-convergence is topologyzable by the <<span style='font-size:10.0pt;font-family: "Lucida Sans Unicode"'>c-box topology on R R. Thus under CH the transfinite convergence is topologyzable. On the other hand, under MA+ØCH the transfinite convergence is not topologyzable.
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Natkaniec, T. On topologization of transfinite convergence of sequences of real functions. Acta Math Hung 111, 157–164 (2006). https://doi.org/10.1007/s10474-006-0040-x
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DOI: https://doi.org/10.1007/s10474-006-0040-x