{ "id": "2412.02209", "version": "v1", "published": "2024-12-03T06:55:51.000Z", "updated": "2024-12-03T06:55:51.000Z", "title": "Cardinal Properties of the Space of Quasicontinuous Functions under Topology of Uniform Convergence on Compact Subsets", "authors": [ "Chander Mohan Bishnoi", "Sanjay Mishra" ], "categories": [ "math.GN" ], "abstract": "In this paper, we investigate various cardinal properties of the space $Q_{C}X$ of all real-valued quasicontinuous functions on the topological space $X$, under the topology of uniform convergence on compact subsets. It begins by examining the relationship between tightness and other properties in the context of the space $X$, highlighting results such as the alignment of tightness $Q_{C}X$ with the compact Lindel\\\"of number of $X$ under Hausdorff conditions and the countable tightness of $Q_{C}X$ when $X$ is second countable. Further investigations reveal conditions for the tightness of $Q_{C}X$ relative to $k$-covers of $X$, as well as connections between density tightness, fan tightness, and other properties in Hausdorff spaces. Additionally, we discuss the implications of the Frechet-Urysohn property $Q_{C}X$ for open $k$-covers in Hausdorff spaces. We explore relationships between $Q_{C}X$'s tightness, the Frechet-Urysohn property, and the $\\sigma$-compactness of locally compact Hausdorff spaces $X$. Furthermore, we examine the $k_{f}$-covering property and the existence of $k$-covers in the context of Whyburn spaces.", "revisions": [ { "version": "v1", "updated": "2024-12-03T06:55:51.000Z" } ], "analyses": { "subjects": [ "54C35", "54A25", "54C08", "54C30", "54D10" ], "keywords": [ "cardinal properties", "uniform convergence", "compact subsets", "quasicontinuous functions", "frechet-urysohn property" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }