Duels with possibly asymmetric goals
M. Fox (1980)
Applicationes Mathematicae
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Displaying similar documents to “On spaces in which every denumerable subspaces is discrete”
Duels with possibly asymmetric goals
On spaces whose denumerable subspaces are discrete
M. Ganster, I. L. Reilly, M. K. Vamanamurthy (1987)
Matematički Vesnik
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A general framework for subexponential discrete logarithm algorithms
Andreas Enge, Pierrick Gaudry (2002)
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On subspaces of the Pixley-Roy example
Szymon Plewik (1981)
Colloquium Mathematicae
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The product of two ordinals is hereditarily dually discrete
M.Á. Gaspar-Arreola, F. Hernández-Hernández (2012)
Commentationes Mathematicae Universitatis Carolinae
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In Dually discrete spaces, Topology Appl. 155 (2008), 1420–1425, Alas et. al. proved that ordinals are hereditarily dually discrete and asked whether the product of two ordinals has the same property. In Products of certain dually discrete spaces, Topology Appl. 156 (2009), 2832–2837, Peng proved a number of partial results and left open the question of whether the product of two stationary subsets of is dually discrete. We answer the first question affirmatively and as a consequence...
On nearly discrete spaces
Miroslav Katětov (1950)
Časopis pro pěstování matematiky a fysiky
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On the genericity of the observability of controlled discrete-time systems
Sabeur Ammar, Jean-Claude Vivalda (2010)
ESAIM: Control, Optimisation and Calculus of Variations
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In this paper, we prove the genericity of the observability for discrete-time systems with more outputs than inputs.