The Qualitative Sturm–Liouville Theory on Spatial Networks

<i>Theory of Ordinary Differential Equations</i>

Earl A. Coddington, Norman Levinson, T. Teichmann · Physics Today · 1956 · 6.3K citations

Natural Sciences, Mathematics, Differential Equations +6

<i>Discrete and Continuous Boundary Problems</i>

F. V. Atkinson, George H. Weiss · Physics Today · 1964 · 823 citations

Natural Sciences, Mathematics, Differential Equations +8

A characteristic equation associated to an eigenvalue problem on c2-networks

Joachim von Below · Linear Algebra and its Applications · 1985 · 200 citations

Engineering, Computer Science, Complex Systems +12

Model of free electrons and the scattering problem

B. S. Pavlov, M. D. Faddeev · Theoretical and Mathematical Physics · 1983 · 67 citations

Natural Sciences, Physics, Mathematical Physics +13

SECOND-ORDER ELLIPTIC EQUATIONS ON GRAPHS

A B Merkov · Mathematics of the USSR-Sbornik · 1986 · 12 citations

Natural Sciences, Mathematics, Combinatorics +6