positive solutions for the boundary value problems of one dimensional p laplacian with delay this paper is concerned with the existence of positive solutions for the boundary value problem of one dimensional p laplacian with delay the proof is based on the guo krasnoselskii fixed point theorem in cones

multiple results of p laplacian dynamic equations on time scales in this paper a new fixed point theorem introduced by avery and peterson and another fixed point theorem are applied to boundary value problems for p laplacian dynamic equations on time scales by imposing some growth conditions on the nonlinearity f we establish the existence results of at least three positive solutions as an application some examples are included to illustrate the main results

positive and compacton type solutions for a quasilinear two point boundary value problem abstract in this paper we investigate a one dimensional p laplacian problem whose nonlinearity comprises both p sublinear and p superlinear terms by studying the multiplicity of solutions to an auxiliary problem we show how convenient choices of the parameters involved yield the existence of at least three classical positive solutions satisfying hopf s boundary condition in addition we provide the existence of two distinct curves of parameters along which our problem admits at least a compacton type solution

solvability of p laplace equations subject to three point boundary value problems in this paper the existences of solutions for p laplace equations subject to three point boundary value conditions at resonance and non resonance are studied by using degree theory and some known results are improved

multiple positive solutions for nonlinear periodic problems abstract we consider a nonlinear periodic equation driven by the scalar p laplacian and with a caratheodory asymptotically p 1 linear nonlinearity using variational methods coupled with suitable truncation techniques we show that the problem has at least two positive solutions for the semilinear case p 2 using morse theory we show that the problem has three distinct positive solutions

a singular boundary value problem for the one dimensionalp laplacian abstract the singular boundary value problem formula is studied in this paper whereg s s p 2s p 1 the singularity may appear atu 0 and att 0 ort 1 and the functionfmay be discontinuous the authors prove that for anyp 1 and for any positive nonincreasing functionfand nonnegative measurable functionkwith some integrability conditions the above mentioned problem has a unique solution also the properties of the solution are discussed in the paper

eigenvalues and the one dimensional p laplacian we consider the boundary value problem p u f t u 0 with p 1 t 0 1 u 0 u 1 0 and with 0 the value of is chosen so that the boundary value problem has a positive solution in addition we derive an explicit interval for such that for any in this interval the existence of a positive solution to the boundary value problem is guaranteed in addition the existence of two positive solutions for in an appropriate interval is also discussed

existence and iteration of monotone positive solutions for multipoint boundary value problem with p laplacian operator in the paper we obtain the existence of monotone positive solutions and establish acorresponding iterative scheme for the following multipoint boundary value problem with p laplacian operator f p u t q t f t u t 0 0

exact controllability for stochastic transport equations this paper studies the exact controllability for stochastic transport equations by two controls one is a boundary control imposed on the drift term and the other is an internal control imposed on the diffusion term by means of the duality argument this controllability problem can be reduced to an observability problem for backward stochastic transport equations and the desired observability estimate is obtained by a new global carleman estimate also we present some results about the lack of exact controllability which show that the action of two controls is necessary to some extent this indicates that the controllability problems for stochastic pdes differ from their deterministic counterpart

extremal solutions for nonlinear functional ϕ laplacian impulsive equations abstract in this paper we deal with some nonlinear laplacian second order boundary value problems with impulses subject to a general type of boundary value conditions which cover dirichlet and periodic boundary data as particular cases our approach is that of upper and lower solutions together with growth restrictions of nagumo s type the impulsive functions depend implicitly on the different considered variables and the boundary value conditions are nonlinear in both cases functional dependence on the solution is allowed

positive solutions for nonlinear singular boundary value problems some sufficient conditions for the existence of positive solutions to dirichlet boundary value problems of a class of nonlinear second order differential equations are given

triple positive solutions of boundary value problems for p laplacian dynamic equations on time scales a new triple fixed point theorem is applied to investigate the existence of at least three positive solutions of boundary value problems for p laplacian dynamic equations on time scales

existence and iteration of positive solutions for some p laplacian boundary value problems abstract this paper deals with the existence and iteration of positive solutions for the following p laplacian differential equation p u t q t f t u t u t 0 t 0 1 subject to one of the following boundary conditions p u 0 p u 0 0 p u 1 p u 1 0 or u 0 g 1 u 0 0 u 1 g 2 u 1 0 the main tool is the monotone iterative technique we obtain not only the existence of positive solutions for the problems but also establish iterative schemes for approximating the solutions

existence of three solutions for a quasilinear two point boundary value problem abstract in this paper we investigate a quasilinear second order differential equation with dirichlet boundary conditions the existence of an open interval of parameters which ensures this problem admits at least three solutions is determined by using the critical point theory

upper and lower solutions method and a singular superlinear boundary value problem for the one dimensional p laplacian abstract the singular boundary value problem is studied in this paper where s s p 2 s p 1 the singularity may appear at u 0 t 0 and t 1 and the function g may be superlinear at u and change sign the existence of solutions is obtained via an upper and lower solutions method

singular boundary value problems for the one dimension p laplacian abstract the singular boundary value problem u g t u u 0 for t 0 1 u 0 u 1 0 where s s p 2s p 1 is studied in this paper the singularity may appear at u 0 t 0 and t 1 and the function g may change sign the existence of solutions is obtained via an upper and lower solution method

bayesian post processing methods for jitter mitigation in sampling minimum mean square error mmse estimators of signals from samples corrupted by jitter timing noise and additive noise are nonlinear even when the signal parameters and additive noise have normal distributions this paper develops a stochastic algorithm based on gibbs sampling and slice sampling to approximate the optimal mmse estimator in this bayesian formulation simulations demonstrate that this nonlinear algorithm can improve significantly upon the linear mmse estimator as well as the em algorithm approximation to the maximum likelihood ml estimator used in classical estimation effective off chip postprocessing to mitigate jitter enables greater jitter to be tolerated potentially reducing on chip adc power consumption

double positive solutions for a nonlinear four point boundary value problem with a p laplacian operator in this paper we study the existence of positive solutions for a nonlinear four point boundary value problem with a p laplacian operator by using a three functionals fixed point theorem in a cone the existence of double positive solutions for the nonlinear four point boundary value problem with ap laplacian operator is obtained this is different than previous results

the monotone method for neumann functional differential equations with upper and lower solutions in the reverse order abstract in this paper we show that the monotone technique produces two monotone sequences that converge uniformly to extremal solutions of second order functional differential equations and laplacian equations with neumann boundary value conditions moreover we obtain existence results assuming upper and lower solutions in the reverse order

multiple positive solutions of the one dimensional p laplacian in this work we investigate the existence of positive solutions of the p laplacian using the quadrature method we prove the existence of multiple solutions of the one dimensional p laplacian for 0 and determine their exact number for 0 2005 elsevier inc all rights reserved

positive solution of three point boundary value problem for the one dimensional p laplacian with singularities abstract in the paper we deal with positive solutions of the following nonlinear three point singular boundary value problem with a p laplacian operator p u q t f t u 0 0 t 1 subject to u 0 g u 0 0 u 1 u 0 or u 0 u 0 u 1 g u 1 0 where f t u may be singular at u 0 and q t may be singular at t 0 1 new existence principles are established

double positive solutions of three point boundary value problems for p laplacian dynamic equations on time scales a new double fixed point theorem is applied to investigate the existence of at least double positive solutions of three point boundary value problems for p laplacian dynamic equations on a time scale