Results 11 to 20 of about 7,657,889 (300)

Stability and bifurcation problems

open access: yes, 1998
This contribution is devoted to some problems on stability, observability and bifurcation in mechanics and their applications: the direct Lyapunov’s method; one-parameter families of Lyapunov’s functions, (theory and applications); stability and Andronov-
SALVADORI L, VISENTIN, FRANCESCA
core   +5 more sources

Some stability inequalities for hybrid inverse problems [PDF]

open access: yesComptes Rendus. Mathématique, 2022
We study some hybrid inverse problems associated to BVP’s for Schrödinger and Helmholtz type equations. The inverse problems we consider consist in the determination of coefficients from the knowledge of internal energy densities.
Choulli, Mourad
doaj   +2 more sources

Bayes Decision Problems and Stability

open access: yes, 2018
Stability of Bayes decision problems under uniform convergence of losses is revisited and sufficient conditions for stability are obtained. The results generalize and complement the earlier works of Kadane and Chuang, Chuang, and Salinetti.
C. Srinivasan (5408555)   +1 more
core   +3 more sources

Discretization method used to resolve the rectangular plates’ stability problem, case of singular elastic foundation

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2015
The authors propose a new approximate method for solving the rectangular plates’ stability with a singular elastic base problem. The problem of critical forces’ determination is reduced to solving a set of differential equations with singular ...
Roman M. Tatsiy, Taras I. Ushak
doaj   +7 more sources

Seismic barriers: theory and numerical simulations [PDF]

open access: yesE3S Web of Conferences, 2019
The basic idea of a seismic barrier is to protect an area occupied by a building or a group of buildings from seismic waves. Depending on the nature of seismic waves that are the most probable in a specific region, different kinds of seismic barriers are
Bratov Vladimir   +3 more
doaj   +1 more source

Protein stability [determination] problems

open access: yesFrontiers in Molecular Biosciences, 2022
Human health depends on the correct folding of proteins, for misfolding and aggregation lead to diseases. An unfolded (denatured) protein can refold to its original folded state. How does this occur is known as the protein folding problem. One of several
Faizan Ahmad
doaj   +1 more source

The Stability Problems for Bars and Plates [PDF]

open access: yesИнженерно-строительный журнал, 2014
The stability problems for bars and plates are considered. Variation formulations are used for the stability problems. The positive definiteness of the potential energy functional is studied. The transition from the three-dimensional stability problem to
I.D. Ievzerov
doaj   +1 more source

Alienation and the Stability Problem [PDF]

open access: yesResults in Mathematics, 2020
AbstractStarting from the inequality $$\begin{aligned} |f(x+y)-f(x)-f(y)+g(x+y)-g(x)g(y)|\leqslant \varepsilon , \quad x,y\in S, \end{aligned}$$ | f ( x + y ) - f ( x ) - f ( y ) + g ( x + y ) - g ( x ) g ( y ) | ⩽ ε , x , y ∈ S , where f is a complex valued function defined on a monoid S, we deal with two problems: the stability problem and
openaire   +3 more sources

The Least Squares Stochastic Finite Element Method in Structural Stability Analysis of Steel Skeletal Structures

open access: yesInternational Journal of Applied Mechanics and Engineering, 2015
The main purpose of this work is to verify the influence of the weighting procedure in the Least Squares Method on the probabilistic moments resulting from the stability analysis of steel skeletal structures.
M. Kamiński, J. Szafran
doaj   +1 more source

Stability of Non-Linear Dirichlet Problems with ϕ-Laplacian

open access: yesEntropy, 2021
We study the stability and the solvability of a family of problems −(ϕ(x′))′=g(t,x,x′,u)+f* with Dirichlet boundary conditions, where ϕ, u, f* are allowed to vary as well.
Michał Bełdziński   +2 more
doaj   +1 more source

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