Kenichiro Umezu

On eigenvalue problems with Robin type boundary conditions having indefinite coefficients

Kenichiro Umezu · Applicable Analysis · 2006 · 30 citations

Spectral Theory, Principal Positive Eigenfunctions, Boundary Conditions +13

Bifurcation approach to a logistic elliptic equation with a homogeneous incoming flux boundary condition

Kenichiro Umezu · Journal of Differential Equations · 2011 · 27 citations

Numerical Analysis, Monge-ampere Equation, Elliptic Equation +5

Global bifurcation results for semilinear elliptic boundary value problems with indefinite weights and nonlinear boundary conditions

Kenichiro Umezu · Nonlinear Differential Equations and Applications NoDEA · 2010 · 23 citations · Full text

Numerical Analysis, Elliptic Equation, Free Boundary Problem +6

Behavior and stability of positive solutions of nonlinear elliptic boundary value problems arising in population dynamics

Kenichiro Umezu · Nonlinear Analysis · 2002 · 22 citations

Nonlinear Functional Analysis, Elliptic Equation, Positive Solutions +5

Positive solutions of sublinear elliptic boundary value problems

Kazuaki Taira, Kenichiro Umezu · Nonlinear Analysis · 1997 · 22 citations

Free Boundary Problem, Elliptic Equation, Positive Solutions +1