Results 61 to 70 of about 51,414 (229)
The Canadian Journal of Chemical Engineering, EarlyView.Abstract We develop a delay‐aware estimation and control framework for a non‐isothermal axial dispersion tubular reactor modelled as a coupled parabolic‐hyperbolic PDE system with recycle‐induced state delay. The infinite‐dimensional dynamics are preserved without spatial discretization by representing the delay as a transport PDE and adopting a late ...
Behrad Moadeli, Stevan Dubljevic
wiley +1 more source
Estimates and uniqueness for boundary blow-up solutions of p-Laplace equations
Electronic Journal of Differential Equations, 2011 We investigate boundary blow-up solutions of the p-Laplace equation $Delta_p u=f(u)$, $p>1$, in a bounded smooth domain $Omegasubset R^N$. Under appropriate conditions on the growth of $f(t)$ as $t$ approaches infinity, we find an estimate of the ...
Monica Marras, Giovanni Porru
doaj
Математичні СтудіїWe consider approach based on the integral representation of solutions in domain which consists of bounded and unbounded parts that gives us opportunity to reduce different transmission type problems to connected with them equivalent boundary equations ...
Yu. M. Sybil
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(Non)Differentiability and Asymptotics for Potential Densities of Subordinators
, 2011 For subordinators with positive drift we extend recent results on the structure of the potential measures and the renewal densities. Applying Fourier analysis a new representation of the potential densities is derived from which we deduce asymptotic ...
Doering, Leif, Savov, Mladen
core +2 more sources
Asymptotic independence in more than two dimensions and its implications on risk management
Canadian Journal of Statistics, EarlyView.Abstract In extreme value theory, the presence of asymptotic independence signifies that joint extreme events across multiple variables are unlikely. Although well understood in a bivariate context, the concept remains relatively unexplored when addressing the nuances of simultaneous occurrence of extremes in higher dimensions.
Bikramjit Das, Vicky Fasen‐Hartmann
wiley +1 more source
Harmonic fields on the extended projective disc and a problem in optics
, 2007 The Hodge equations for 1-forms are studied on Beltrami's projective disc model for hyperbolic space. Ideal points lying beyond projective infinity arise naturally in both the geometric and analytic arguments.
Bateman H. +17 more
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Kinetic Contribution to the Arbitrary Order Odd Frequency Moments of the Dynamic Structure Factor
Contributions to Plasma Physics, EarlyView.ABSTRACT An exact expression is derived for the kinetic contribution to the odd (arbitrary order) frequency moments of the dynamic structure factor via a finite summation that features averages of even (all lower orders) powers of the momentum over the exact momentum distribution.
Panagiotis Tolias +2 more
wiley +1 more source
Approach to self-similarity in Smoluchowski's coagulation equations [PDF]
, 2003 We consider the approach to self-similarity (or dynamical scaling) in Smoluchowski's equations of coagulation for the solvable kernels $K(x,y)=2$, $x+y$ and $xy$.
Govind Menon +3 more
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Contributions to Plasma Physics, EarlyView.ABSTRACT Ab initio path integral Monte Carlo (PIMC) simulations constitute the gold standard for the estimation of a broad range of equilibrium properties of a host of interacting quantum many‐body systems spanning a broad range of conditions from ultracold atoms to warm dense quantum plasmas.
Paul Hamann +2 more
wiley +1 more source
Approximation of an Optimal BV -Control Problem in the Coefficient for the p(x)-Laplace Equation
Journal of Optimization, Differential Equations and Their ApplicationsWe study a Dirichlet optimal control problem for a quasilinear monotone elliptic equation with the so-called weighted p(x)-Laplace operator. The coefficient of the p(x)-Laplacian, the weight u, we take as a control in BV (Ω) ∩ L∞(Ω).
Ismail Aydin, Peter Kogut
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