AbstractUsing the continuum hypothesis, we give a counterexample for the following problem posed by Arhangel'skii: if X × Y is Fréchet for each countably compact regular Fréchet space Y, then is X an 〈α3〉-space
summary:Some strong versions of the Fréchet-Urysohn property are introduced and studied. We also str...
AbstractWe give a simple example of a Fréchet space and a metrizable space whose product is not sequ...
We answer questions of Arhangel'skiĭ using spaces defined from combinatorial objects. We first estab...
AbstractThe purpose of this paper is to give answers to the following problems posed by A.V. Arhange...
AbstractUsing the continuum hypothesis, we give a counterexample for the following problem posed by ...
summary:A refined common generalization of known theorems (Arhangel’skii, Michael, Popov and Rančin)...
summary:A refined common generalization of known theorems (Arhangel’skii, Michael, Popov and Rančin)...
summary:We solve the long standing problem of characterizing the class of strongly Fréchet spaces wh...
summary:We solve the long standing problem of characterizing the class of strongly Fréchet spaces wh...
We exhibit in this article some classes of spaces for which properties γ and γp are countable additi...
AbstractThe general question, “When is the product of Fréchet spaces Fréchet?” really depends on the...
AbstractThe general question, “When is the product of Fréchet spaces Fréchet?” really depends on the...
AbstractNogura showed that whereas Arhangel'skiǐ's properties α1, α2 and α3 are preserved by finite ...
AbstractWe construct, assuming the continuum hypothesis (CH), two (strongly) Fréchet spaces whose pr...
AbstractArhangel'skiǐ proved that the Continuum Hypothesis implies that if a regular space X is here...
summary:Some strong versions of the Fréchet-Urysohn property are introduced and studied. We also str...
AbstractWe give a simple example of a Fréchet space and a metrizable space whose product is not sequ...
We answer questions of Arhangel'skiĭ using spaces defined from combinatorial objects. We first estab...
AbstractThe purpose of this paper is to give answers to the following problems posed by A.V. Arhange...
AbstractUsing the continuum hypothesis, we give a counterexample for the following problem posed by ...
summary:A refined common generalization of known theorems (Arhangel’skii, Michael, Popov and Rančin)...
summary:A refined common generalization of known theorems (Arhangel’skii, Michael, Popov and Rančin)...
summary:We solve the long standing problem of characterizing the class of strongly Fréchet spaces wh...
summary:We solve the long standing problem of characterizing the class of strongly Fréchet spaces wh...
We exhibit in this article some classes of spaces for which properties γ and γp are countable additi...
AbstractThe general question, “When is the product of Fréchet spaces Fréchet?” really depends on the...
AbstractThe general question, “When is the product of Fréchet spaces Fréchet?” really depends on the...
AbstractNogura showed that whereas Arhangel'skiǐ's properties α1, α2 and α3 are preserved by finite ...
AbstractWe construct, assuming the continuum hypothesis (CH), two (strongly) Fréchet spaces whose pr...
AbstractArhangel'skiǐ proved that the Continuum Hypothesis implies that if a regular space X is here...
summary:Some strong versions of the Fréchet-Urysohn property are introduced and studied. We also str...
AbstractWe give a simple example of a Fréchet space and a metrizable space whose product is not sequ...
We answer questions of Arhangel'skiĭ using spaces defined from combinatorial objects. We first estab...
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