نتایج جستجو برای: type functionals

تعداد نتایج: 1351527  

2011
M. Turinici

A differential coercivity result is established for a class of order nonsmooth functionals fulfilling an appropriate Palais-Smale condition. The core of this approach is an asymptotic type statement involving such functionals, obtained by means of the monotone variational principle in Turinici [An. Şt. UAIC Iaşi, 36 (1990), 329-352].

Journal: :Physical review letters 1996
Pudliner Smerzi Carlson Pandharipande Pieper Ravenhall

The J =0 ground state of a drop of 8 neutrons and the lowest 1/2 and 3/2 states of 7-neutron drops, all in an external well, are computed accurately with variational and Green's function Monte Carlo methods for a Hamiltonian containing the Argonne v18 two-nucleon and Urbana IX three-nucleon potentials. These states are also calculated using Skyrme-type energy-density functionals. Commonly used ...

Journal: :Organic & biomolecular chemistry 2011
Iain D Mackie Gino A DiLabio

The ability of several density-functional theory methods to describe the kinetics and energetics of a series of ring-opening reactions of cyclopropyl and cyclobutyl-type radicals was explored. PBE, B971 and B3LYP perform quite well in their ability to replicate experiment, based upon the ring opening of cyclopropylcarbinyl, two α-trialkylsilyloxycyclopropylmethyl radicals, pentamethylcyclopropy...

Journal: :Arch. Math. Log. 2002
Dag Normann

The continuous functionals were independently introduced by Kleene [6] and Kreisel [7]. Kleenes motivation was to isolate a subclass of the total functionals of pure, finite type closed under S1-S9-computations (Kleene [5]) which could be described using countable information. He defined his functionals via the associates and the idea is that an associate for a functional Ψ contains sufficient ...

Journal: :Entropy 2014
Markus Hainy Werner G. Müller Henry P. Wynn

A general approach to Bayesian learning revisits some classical results, which study which functionals on a prior distribution are expected to increase, in a preposterior sense. The results are applied to information functionals of the Shannon type and to a class of functionals based on expected distance. A close connection is made between the latter and a metric embedding theory due to Schoenb...

Journal: :Electronic Journal of Linear Algebra 2023

In one of his recent papers, Molnár showed that if $\mathcal{A}$ is a von Neumann algebra without $I_1, I_2$-type direct summands, then any function from the positive definite cone to real numbers preserving Kubo-Ando power mean, for some $0 \neq p \in (-1,1),$ necessarily constant. It was shown in paper $I_1$-type algebras admit nontrivial $p$-power mean functionals, and it conjectured $I_2$-t...

2014
Alexey P. Zhabko Irina V. Medvedeva

The contribution focuses on the stability analysis of linear time-delay systems within the framework of the Lyapunov – Krasovskii functionals. The method used is based on the idea to check positive definiteness of the functionals exclusively on the specific Razumikhin-type set of functions. For the systems with incommensurate delays, it is proposed to use the modified functionals depend on the ...

2007
Jun-Fang Li

Abstract. In this note, we construct families of functionals of the type of F-functional and W-functional of Perelman. We prove that these new functionals are nondecreasing under the Ricci flow. As applications, we give a proof of the theorem that compact steady Ricci breathers must be Ricci-flat. Using these new functionals, we also give a new proof of Perelman’s no non-trivial expanding breat...

2000
Robert J. Irwin Bruce M. Kapron James S. Royer

In his paper on machine characterizations of feasible functionals at all simple types, Seth [Set95] introduced the higher-type complexity class D and conjectured that this class is strictly larger than BFF, the basic feasible functionals of Cook and Urquhart [CU93]. In this paper we clarify the nature of D by characterizing D−, a subclass of D, through a typed programming formalism and show D− ...

2006
Menita Carozza Antonia Passarelli di Napoli

Higher order variational functionals, emerging in the study of problems from materials science and engineering, have attracted a great deal of attention in last few years (e.g. [4], see [5]). In particular, the regularity of minimizers of such functionals has been studied very recently. In [15] and [16] the partial Ck,α regularity has been established for quasiconvex integrals with a p-power gr...

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