scholarly journals A nonlinear elliptic eigenvalue–transmission problem with Neumann boundary condition

2018 ◽  
Vol 198 (3) ◽  
pp. 821-836
Author(s):  
Luminiţa Barbu ◽  
Gheorghe Moroşanu ◽  
Cornel Pintea
Keyword(s):  
Boundary Condition ◽  
Neumann Boundary Condition ◽  
Neumann Boundary ◽  
Transmission Problem ◽  
Nonlinear Elliptic

scholarly journals Symmetric Solutions of a Nonlinear Elliptic Problem with Neumann Boundary Condition

2012 ◽  
Vol 03 (11) ◽  
pp. 1686-1688
Author(s):  
Ana Magnolia Marin Ramirez ◽  
Ruben Dario Ortiz Ortiz ◽  
Joel Arturo Rodriguez Ceballos
Keyword(s):  
Boundary Condition ◽  
Elliptic Problem ◽  
Neumann Boundary Condition ◽  
Neumann Boundary ◽  
Nonlinear Elliptic Problem ◽  
Nonlinear Elliptic

Inverse spectral problem of an anharmonic oscillator on a half-axis with the Neumann boundary condition

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Agil K. Khanmamedov ◽  
Nigar F. Gafarova
Keyword(s):  
Boundary Condition ◽  
Neumann Boundary Condition ◽  
Inverse Spectral Problem ◽  
Anharmonic Oscillator ◽  
Neumann Boundary ◽  
Effective Algorithm ◽  
Inverse Spectral Problems ◽  
Main Equation ◽  
Inverse Spectral ◽  
Half Axis

AbstractAn anharmonic oscillator {T(q)=-\frac{d^{2}}{dx^{2}}+x^{2}+q(x)} on the half-axis {0\leq x<\infty} with the Neumann boundary condition is considered. By means of transformation operators, the direct and inverse spectral problems are studied. We obtain the main integral equations of the inverse problem and prove that the main equation is uniquely solvable. An effective algorithm for reconstruction of perturbed potential is indicated.

scholarly journals Blow-Up Analysis for a Quasilinear Parabolic Equation with Inner Absorption and Nonlinear Neumann Boundary Condition

2014 ◽  
Vol 2014 ◽  
pp. 1-8 ◽  
Author(s):  
Zhong Bo Fang ◽  
Yan Chai
Keyword(s):  
Boundary Condition ◽  
Parabolic Equation ◽  
Neumann Boundary Condition ◽  
Blow Up ◽  
Quasilinear Parabolic Equation ◽  
Neumann Boundary ◽  
Initial Boundary ◽  
Blow Up Analysis ◽  
Inner Absorption ◽  
Quasilinear Parabolic

We investigate an initial-boundary value problem for a quasilinear parabolic equation with inner absorption and nonlinear Neumann boundary condition. We establish, respectively, the conditions on nonlinearity to guarantee thatu(x,t)exists globally or blows up at some finite timet*. Moreover, an upper bound fort*is derived. Under somewhat more restrictive conditions, a lower bound fort*is also obtained.

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