Zeros of quadratic functionals on non-separable spaces

• Autorzy: T. Banakh , A. Plichko , A. Zagorodnyuk
• Języki publikacji: EN

Abstrakty

EN

We construct non-separable subspaces in the kernel of every quadratic functional on some classes of complex and real Banach spaces.

Kategorie tematyczne

• 46B04: Isometric theory of Banach spaces
• 46B28: Spaces of operators; tensor products; approximation properties

• Wydawca: Institute of Mathematics Polish Academy of Sciences
• Czasopismo: Colloquium Mathematicum
• Rocznik: 2004
• Tom: 100
• Numer: 1
• Strony: 141-147

Daty

wydano

2004

Twórcy

autor

T. Banakh

• Department of Mechanics and Mathematics, Ivan Franko Lviv National University, Lviv 79000, Ukraine
• Institute of Mathematics, Świętokrzyska Academy, Kielce, Poland

autor

A. Plichko

• Department of Mathematics, Kirovograd State Pedagogical University, 1, Shevchenko St., Kirovograd 25006, Ukraine
• Institute of Mathematics, Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland

autor

A. Zagorodnyuk

• Institute for Applied Problems of, Mechanics and Mathematics of NASU, 3 b, Naukova St., Lviv, 79601 Ukraine
• University of Saskatchewan, Saskatoon SK S7N 5E6, Canada

Identyfikatory

DOI

10.4064/cm100-1-13