Additive maps on standard operator algebras preserving parts of the spectrum

A Course in Functional Analysis.

T. W. Gamelin, John B. Conway · American Mathematical Monthly · 1986 · 2.4K citations

Natural Sciences, Mathematics, Mathematical Physics +7

Spectrum-preserving linear maps

Ali Jafarian, A. R. Sourour · Journal of Functional Analysis · 1986 · 200 citations

Spectrum-Preserving Linear Mappings between Banach Algebras or Jordan-Banach Algebras

Bernard Aupetit · Journal of the London Mathematical Society · 2000 · 144 citations

Natural Sciences, Mathematics, Algebra +9

On nonseparable reflexive Banach spaces

Joram Lindenstrauss · Bulletin of the American Mathematical Society · 1966 · 112 citations · Full text

Natural Sciences, Property Law, Representation Theory +4

On the existence of a fundamental total and bounded biorthogonal sequence in every separable Banach space, and related constructions of uniformly bounded orthonormal systems in L²

R. I. Ovsepian, A. Pełczyński · Studia Mathematica · 1975 · 102 citations · Full text

Natural Sciences, Mathematics, Set Theory +8