Can a Borel group be generated by a Hurewicz subspace?

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In this paper we formulate three problems concerning topological properties of sets generating Borel non-sigma-compact groups. In case of the concrete F_σδ-subgroup of the Cantor group this gives an equivalent reformulation of the Scheepers diagram problem.
6 pages; Latex2e; Submitted to Matematychni Studii

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General Topology, 22-99, 54D20, 28A05

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http://salesiana.dossiersoluciones.com/handle/123456789/103589

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0510162
 http://arxiv.org/abs/math/0510162

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arXiv