On regularity of functions connected with orthogonal additivity

zbMath0918.39008MaRDI QIDQ1279999

Karol Baron, Anna Kucia

Publication date: 19 August 1999

Published in: Functiones et Approximatio. Commentarii Mathematici (Search for Journal in Brave)

zbMATH Keywords

Cauchy equationinner product spaceabelian grouporthogonal additivityuniversal measurabilityBaire measurabilitycontinuity of additive functions

Mathematics Subject Classification ID

Continuity and related questions (modulus of continuity, semicontinuity, discontinuities, etc.) for real functions in one variable (26A15) Measurable and nonmeasurable functions, sequences of measurable functions, modes of convergence (28A20) Functional equations for functions with more general domains and/or ranges (39B52)

Related Items (1)

Orthogonalities and functional equations

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