Publications in VIVO

Co-author Network

Laetsch, Theodore W. ISU Faculty Member

Positions

Faculty, Mathematics

Publications
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selected publications

article
- Minimax principles for convex eigenvalue problems. Journal of Mathematical Analysis and Applications. 102:328-347. 1984
- Review: Differential Equations - Introducation and Qualitative Theory. by Jane Cronin. SIAM Review. 24:358-360. 1982
- Normal cones, barrier cones, and the spherical image of convex surfaces in locally convex spaces. Pacific Journal of Mathematics. 73:107-123. 1977
- A uniqueness theorem for elliptic quasi-variational inequalities. Journal of Functional Analysis. 18:286-287. 1975
- Asymptotic branch points and multiple positive solutions of nonlinear integral equations. SIAM Journal on Applied Mathematics. 6:178-191. 1975
- Asymptotic branch points and multiple positive solutions of nonlinear operators equations. SIAM Journal on Applied Mathematics. 6:168-177. 1975
- Nonlinear eigenvalue problems with positively convex operators. Journal of Mathematical Analysis and Applications. 51:653-669. 1975
- Critical solutions of autonomous nonlinear boundary value problems. Indiana University Mathematics Journal. 24:651-658. 1974/75
- On the number of solutions of boundary value problems with convex nonlinearities. Journal of Mathematical Analysis and Applications. 35:389-404. 1971
- The number of solutions of a nonlinear two point boundary value problem. Indiana University Mathematics Journal. 20:1-13. 1970/1971
- A note on a paper of Keller and Cohen. Journal of Mathematics and Mechanics. 18:1095-1100. 1968/1969
- Comparison and positivity theorems for linear and nonlinear boundary value problems. Journal d'Analyse Mathématique. 27:24-46.
- Existence and Bounds for Multiple Solutions of Nonlinear Equations. SIAM Journal on Applied Mathematics. 18:389-400.
- Positive solutions of convex nonlinear eigenvalue problems. Indiana University Mathematics Journal. 25:259-270.
- Review: Applied Functional Analysis by A. V. Balakrishnan. SIAM Review. 25:439-440.
- Review: Theory of Branching of Solutions of Non-Linear Equations. by M.M. Vainberg; V. A Trenogin. SIAM Review. 18:145-146.
- The theory of forced, convex , autonomous, two point boundary value problems. Rocky Mountain Journal of Mathematics. 15:133-154.
- Uniqueness for sublinear boundary value problems. Journal of Differential Equations. 13:13-23.
thesis or dissertation
- Eigenvalue Problems for Positive Monotonic Nonlinear Operators