Results 11 to 20 of about 276 (121)
Fully discrete finite element data assimilation method for the heat equation [PDF]
, 2017 We consider a finite element discretization for the reconstruction of the final state of the heat equation, when the initial data is unknown, but additional data is given in a sub domain in the space time.
Burman, Erik +2 more
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Boundary Value Problems, 2019 The Cauchy problem of the modified Helmholtz-type equation is severely ill-posed, i.e., the solution does not depend continuously on the given Cauchy data. Thus the regularization methods are required to recover the numerical stability. In this paper, we
Hong Yang, Yanqi Yang
doaj +1 more source
On the regularization of solution of an inverse ultraparabolic equation associated with perturbed final data [PDF]
, 2014 In this paper, we study the inverse problem for a class of abstract ultraparabolic equations which is well-known to be ill-posed. We employ some elementary results of semi-group theory to present the formula of solution, then show the instability cause ...
Hung, Tran The +3 more
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On the structure of the space of geometric product-form models [PDF]
, 2002 This article deals with Markovian models defined on a finite-dimensional discrete state space and possess a stationary state distribution of a product-form. We view the space of such models as a mathematical object and explore its structure.
Bayer, Nimrod, Boucherie, Richard J.
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Brownian Models of Feedforward Queueing Networks: Quasireversibility and Product Form Solutions
The Annals of Applied Probability, 1992 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Harrison, J. M., Williams, R. J.
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On the Quasireversibility of a Multiclass Brownian Service Station
The Annals of Probability, 1990 The object of study in this paper is a Brownian model of a multiclass service station. Such Brownian models arise as heavy traffic limits of conventional queueing models in which several different types or classes of customers are processed through a common service facility.
Harrison, J. M., Williams, R. J.
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Approximate global convergence and quasireversibility for a coefficient inverse problem with backscattering data [PDF]
Journal of Mathematical Sciences, 2012 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kuzhuget, A. V. +2 more
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Eigenvalues control for a Finsler--Laplace operator
, 2012 Using the definition of a Finsler--Laplacian given by the first author, we show that two bi-Lipschitz Finsler metrics have a controlled spectrum. We deduce from that several generalizations of Riemannian results.
Barthelmé, Thomas, Colbois, Bruno
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Diffusion approximation for a processor sharing queue in heavy traffic [PDF]
, 2004 Consider a single server queue with renewal arrivals and i.i.d. service times in which the server operates under a processor sharing service discipline.
Gromoll, H. Christian
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Thermoacoustic tomography with an arbitrary elliptic operator
, 2012 Thermoacoustic tomography is a term for the inverse problem of determining of one of initial conditions of a hyperbolic equation from boundary measurements.
Agranovsky M +19 more
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