14 citations · 76 across the 23 of their papers we have counts for
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math.FA2017
Quasi-units as orthogonal projections
Zsigmond Tarcsay, Tamás Titkos
The notion of quasi-unit has been introduced by Yosida in unital Riesz spaces. Later on, a fruitful potential theoretic generalization was obtained by Arsove and Leutwiler. Due to…
math.FA2017
A characterization of positive normal functionals on the full operator algebra
Zoltán Sebestyén, Zsigmond Tarcsay, Tamás Titkos
Using the recent theory of Krein--von Neumann extensions for positive functionals we present several simple criteria to decide whether a given positive functional on the full opera…
math.FA2017
A characterisation of isometries with respect to the Lévy-Prokhorov metric
György Pál Gehér, Tamás Titkos
According to the fundamental work of Yu.V. Prokhorov, the general theory of stochastic processes can be regarded as the theory of probability measures in complete separable metric…