Separation of two (possibly unbounded) components of the spectrum of a linear operator

Banach Spaces of Analytic Functions.

Garrett Johnson, Kenneth A. Hoffman · American Mathematical Monthly · 1964 · 2.5K citations

Natural Sciences, Philosophy, Analytic Philosophy +6

R.C. Gunning and H.Rossi: Analytic Functions of Several Complex Variables, Prentice-Hall, Englewood Cliffs, N.J., 1965, 317頁, 15×23cm, $12.50.

信 一松 · 日本物理學會誌 · 1965 · 782 citations

Natural Sciences, Electrical Engineering, Complex Systems +5

On the Spectrum of C 0 -Semigroups

Transactions of the American Mathematical Society · 1984 · 452 citations

Natural Sciences, Computer Science, Dynamical Systems +8

On the closedness of the sum of two closed operators

Giovanni Dore, Alberto Venni · Mathematische Zeitschrift · 1987 · 398 citations

Natural Sciences, Property Law, Layer Production +3

Norms and Domains of the Complex Powers A B z

R. Seeley · American Journal of Mathematics · 1971 · 127 citations

Education, Regulatory Policy, Analytic Philosophy +4