Results 111 to 120 of about 2,471,206 (379)

Positive Solutions for Boundary Value Problem of Nonlinear Fractional -Difference Equation

open access: yes, 2011
We investigate the existence of multiple positive solutions to the nonlinear 𝑞-fractional boundary value problem 𝑐𝐷𝑎𝑞𝑢(𝑡)
M. El-shahed, F. M. Al-Askar
semanticscholar   +1 more source

Performance Triggered Adaptive Model Reduction for Soil Moisture Estimation in Precision Irrigation

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
ABSTRACT Accurate soil moisture information is essential for precise irrigation to enhance water use efficiency. Estimating soil moisture based on limited soil moisture sensors is especially critical for obtaining comprehensive soil moisture information when dealing with large‐scale agricultural fields.
Sarupa Debnath   +4 more
wiley   +1 more source

A new method for the study of boundary value problems for linear and quasi-linear systems of ODE [PDF]

open access: yesarXiv, 2012
The method is proposed for the study of many-point boundary value problems for systems of nonlinear ODE, by reducing them to special equivalent integral equations, and allows us [in contrast with the known method [1]] to consider boundary and initial value problems. Here we avoid the mechanism of Green's function whose construction is quite nontrivial,
arxiv  

Second-order neutrosophic boundary-value problem. [PDF]

open access: yesComplex Intell Systems, 2021
Moi S, Biswas S, Pal Sarkar S.
europepmc   +1 more source

Artificial Receptor in Synthetic Cells Performs Transmembrane Activation of Proteolysis

open access: yesAdvanced Biology, EarlyView.
Transmembrane signaling is the hallmark of living cells and is among the highest challenges for the design of synthetic cells. Herein, an artificial receptor based on the chemistry of self‐immolative linkers is used to communicate information across the lipid bilayer, for transmembrane activation of enzymatic activity. Abstract The design of artificial,
Ane Bretschneider Søgaard   +7 more
wiley   +1 more source

On Linear Boundary-Value Problems for Differential Systems in Sobolev spaces [PDF]

open access: yesarXiv, 2019
We consider the Fredholm one-dimensional boundary-value problems in Sobolev spaces.We have obtained several important results about the indixes of functional operators, the criterion of their correct well-posedness, the criterion of the continuous dependence of the solutions of these problems on the parameter, the degree of convergence of these ...
arxiv  

Response of Non-Linear Shock Absorbers-Boundary Value Problem Analysis

open access: yesInternational Journal of Applied Mechanics and Engineering, 2013
A nonlinear boundary value problem of two degrees-of-freedom (DOF) untuned vibration damper systems using nonlinear springs and dampers has been numerically studied.
M.A. Rahman, U. Ahmed, M.S. Uddin
doaj   +1 more source

On a singular nonlinear elliptic boundary-value problem

open access: yes, 1991
We consider the singular boundary-value problem Au+p(x)uY = 0 in Q, u I aQ = 0, where y > 0. Under the assumption p(x) > 0 and certain smoothness assumptions, we show that there exists a solution which is smooth on Q2 and continuous on Q .
A. Lazer, P. J. McKenna
semanticscholar   +1 more source

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