Riesz bases of solutions of Sturm-Liouville equations

Ordinary Differential Equations

A. T. Lonseth, E. L. Ince · National Mathematics Magazine · 1945 · 3.2K citations

Natural Sciences, Mathematics, Differential Equations +6

Perturbation of operators and applications to frame theory

Peter G. Cazassa, Ole Christensen · Journal of Fourier Analysis and Applications · 1997 · 198 citations

Natural Sciences, Mathematics, Physics +10

On the Stability of Frames and Riesz Bases

Sergio Favier, R.A Zalik · Applied and Computational Harmonic Analysis · 1995 · 128 citations

Natural Sciences, Mathematics, Representation Theory +5

Some notes on an expansion theorem of Paley and Wiener

R. J. Duffin, Joseph J. Eachus · Bulletin of the American Mathematical Society · 1942 · 66 citations · Full text

Natural Sciences, Physics, Stochastic Processes +7

Exponential bases in L2

Victor Katsnelson · Functional Analysis and Its Applications · 1971 · 13 citations

Language Studies, English As A Second Language, Second Language Studies +7