Two-valued functions, non-archimedean quasi-metrics and ultraquasi-gauges
Inmersión en espacios cuasiseudométricos y cuasiuniformes.
Metrizability of the unit ball of the dual of a quasi-normed cone
We obtain theorems of metrization and quasi-metrization for several topologies of weak* type on the unit ball of the dual of any separable quasi-normed cone. This is done with the help of an appropriate version of the Alaoglu theorem which is also obtained here.
-functions on quasimetric spaces and fixed points for multivalued maps.
A mathematical model to reproduce the wave field generated by convergent lenses.
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