Concepedia

Free Ljusternik-Schnirelman theory and the bifurcation diagrams of certain singular nonlinear problems

Hans‐Peter Heinz

Journal of Differential Equations · 1987 · 81 citations · 9 references

DOI

Concepts

References

9

Lectures on Elliptic Boundary Value Problems.

A. Friedman, Shmuel Agmon · American Mathematical Monthly · 1966 · 998 citations

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A Variant of the Lusternik-Schnirelman Theory

David Clark · Indiana University Mathematics Journal · 1972 · 313 citations

, , +4

Characteristic values associated with a class of nonlinear second-order differential equations

Zeev Nehari · Acta Mathematica · 1961 · 237 citations

, , +10

Boundary value problems for a class of nonlinear differential equations

Gerald Ryder · Pacific Journal of Mathematics · 1967 · 93 citations · Full text

, , +14

Nodal properties and variational characterizations of solutions to nonlinear Sturm-Liouville problems

Hans‐Peter Heinz · Journal of Differential Equations · 1986 · 41 citations

, , +16