Search Results - "Foias, C."

Spectral decomposability of rank-one perturbations of normal operators by Foias, C., Jung, I.B., Ko, E., Pearcy, C.

“…This paper is a continuation of the study by Foias, Jung, Ko, and Pearcy (2007) [4] and Foias, Jung, Ko, and Pearcy (2008) [5] of rank-one perturbations of…”
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Camassa-Holm Equations as a Closure Model for Turbulent Channel and Pipe Flow by Chen, Shiyi, Foias, Ciprian, Holm, Darryl D., Olson, Eric, Titi, Edriss S., Wynne, Shannon

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Some specific mathematical constraints on 2D turbulence by Dascaliuc, R., Foias, C., Jolly, M.S.

“…We derive upper and lower bounds for ensemble averages of energy, enstrophy, and palinstrophy for the 2D periodic Navier–Stokes equations. This is carried out…”
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The Camassa–Holm equations and turbulence by Chen, S., Foias, C., Holm, D.D., Olson, E., Titi, E.S., Wynne, S.

“…In this paper we will survey our results on the Camassa–Holm equations and their relation to turbulence as discussed in S. Chen, C. Foias, D.D. Holm, E. Olson,…”
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On the asymptotic behavior of average energy and enstrophy in 3D turbulent flows by Dascaliuc, R., Foias, C., Jolly, M.S.

“…Rigorous upper and lower bounds are proved for the Taylor and the Kolmogorov wavenumbers for the three-dimensional space periodic Navier–Stokes equations…”
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2-D turbulence for forcing in all scales by BALCI, N, FOIAS, C, JOLLY, M. S

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Some Spectral Quasisimilarity Invariants for Operators by Foias, C., Pearcy, C., Smith, L.

“…Let T be a (bounded, linear) operator on a separable, infinite dimensional, complex Hilbert space, and let qℓre(T) denote the intersection of all the sets…”
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Hyperinvariant subspaces for some subnormal operators by Foias, C., Jung, I. B., Ko, E., Pearcy, C.

“…In this article we employ a technique originated by Enflo in 1998 and later modified by the authors to study the hyperinvariant subspace problem for subnormal…”
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Operators with Compact Imaginary Part by Foias, C., Hamid, S., Onica, C., Pearcy, C.

“…In this note we initiate a study of the old unsolved problem whether every T ∈ 𝓛(𝓗) of the form T = H + iK with K compact has a nontrivial invariant…”
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On Rank-one Perturbations of Normal Operators, II by Foias, C., Jung, I.B., Ko, E., Pearcy, C.

“…As the title indicates, this note is a sequel to [2], in which we showed that a large class of rank-one perturbations of a diagonalizable normal operator have…”
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Kolmogorov theory via finite-time averages by Foias, C., Jolly, M.S., Manley, O.P., Rosa, R., Temam, R.

“…Several relations from the Kolmogorov theory of fully-developed three-dimensional turbulence are rigorously established for finite-time averages over…”
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On the behavior of the Lorenz equation backward in time by Foias, C., Jolly, M.S.

“…The sets of solutions to the Lorenz equations that exist backward in time and are bounded at an exponential rate determined by the eigenvalues of the linear…”
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Kraichnan turbulence via finite time averages by FOIAS, C, JOLLY, M. S, MANLEY, O. P

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On the non-homogeneous stationary Kuramoto–Sivashinsky equation by Cheskidov, A., Foias, C.

“…In this note we give some explicit estimates for the L ∞-norm of the periodic solutions of the time-independent non-homogeneous Kuramoto–Sivashinsky equation…”
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On the hyperinvariant subspace problem III by Foias, C., Hamid, S., Onica, C., Pearcy, C.

“…In two recent papers (Foias and Pearcy, J. Funct. Anal., in press, Hamid et al., Indiana Univ. Math. J., to appear), the authors reduced the hyperinvariant…”
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Finite Fractal Dimension and Hölder-Lipschitz Parametrization by Foias, C., Olson, E.

“…In this paper we first extend the Hölder-Mañé Theorem [1] from a finite dimensional space to the general Hilbert space setting. Namely, if H is a real Hilbert…”
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On global attractors of the 3D Navier–Stokes equations by Cheskidov, A., Foias, C.

“…In view of the possibility that the 3D Navier–Stokes equations (NSE) might not always have regular solutions, we introduce an abstract framework for studying…”
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Relaxation of metric constrained interpolation and a new lifting theorem by Foias, C., Frazho, A. E., Kaashoek, M. A.

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The Distance to Intertwining Operators, Contractive Liftings and a Related Optimality Result by Foias, C., Frazho, A. E., Kaashoek, M. A.

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Exponential decay of the power spectrum of turbulence by Bercovici, H., Constantin, P., Foias, C., Manley, O. P.

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