Geodesic
Different kinds of tightness on the space of Baire-one functions
Trudy Instituta matematiki i mehaniki, Trudy Instituta Matematiki i Mekhaniki UrO RAN, Tome 29 (2023) no. 1, pp. 160-166

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We study different kinds of tightness of the space $B_1(X)$ of Baire-one real-valued functions defined on a topological space $X$ with the topology of pointwise convergence.
Keywords: tightness, fan tightness, strongly fan tightness, $T$-tightness, set-tightness, function space. 
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A. V. Osipov. Different kinds of tightness on the space of Baire-one functions. Trudy Instituta matematiki i mehaniki, Trudy Instituta Matematiki i Mekhaniki UrO RAN, Tome 29 (2023) no. 1, pp. 160-166. http://geodesic.mathdoc.fr/item/TIMM_2023_29_1_a11/