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Questions

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Sums of Strongly z-ideals

open-problem gn.general-topology ac.commutative-algebra commutative-rings

sep 16 at 9:15 Fernando Muro 5,169●1●9●15

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271

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Basis for completely regular spaces(Tychonoff Spaces)

gn.general-topology

may 27 at 14:17 KP Hart 2,281●3●11

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existence of a field that has a non surjective ring homomorphism [closed]

ac.commutative-algebra

may 2 12 at 7:00 Neil Strickland 13.6k●1●28●66

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114

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Counterexample about Jones lemma with special weak condition.

gn.general-topology point-set-topology

may 4 12 at 14:58 KP Hart 2,281●3●11

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Compact subsets and Hausdorffness of Topology

gn.general-topology point-set-topology

jan 12 at 18:56 David White 4,860●1●20●27

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Non trivial definition of bicontinuous functions and the ring of all bicontinuous functions.

ac.commutative-algebra gn.general-topology

sep 9 at 17:31 AliReza Olfati 1,140●1●7

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226

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Some Questions about zero-dimensional subsets of the unit interval related to cantor set

gn.general-topology real-analysis

may 10 12 at 17:42 Mark D. Meyerson 1

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Lindelöf subsets of $P$-spaces

gn.general-topology point-set-topology topology

may 23 at 12:34 Ramiro de la Vega 3,690●7●15