نتایج جستجو برای: equivalency

تعداد نتایج: 1416  

2003
Donald J. Welch Scott Lathrop

Several papers have published very specific threats to wireless networks—specifically in the area of attacks against the IEEE 802.11 Wired Equivalency Protocol (WEP). Other papers have addressed wireless attacks based on the attack models used in wired networks. However, the different characteristics of wireless networks require looking at the threat differently. We present a Wireless Threat Ta...

2003
A. Sulaksono T. Bürvenich J. A. Maruhn

We show that formally for the standard ansatz relativistic point-coupling mean-field (RMF-PC) model a lagrangian density L is not equivalent in Hartree and Hartree-Fock approximations. The equivalency can be achieved only if we use a " complete " ansatz at the cost of introducing new parameters in the model. An approximate treatment of the exchange terms from standard RMF-PC indicates that thes...

2005
Tomáš Kopeček

This paper contains more examples to formerly introduced concept of formal language equivalency. That is, for two models, there is a substitution by which we change each string of every yield sequence in one model so that sequence ofs string resulting from this change represents a yield sequence in the other equvalent model, these two models closely simulates each other; otherwise they do not. ...

Journal: :Journal of clinical microbiology 1985
J E Johnson N L Goodman

Antigens derived from three different yeast strains of Histoplasma capsulatum (GW and VC used by the Veterans Administration Serology Reference Laboratory and the Centers for Disease Control reference antigen, A811) were compared with each other to determine their equivalency. Results from 200 sera, tested concurrently by the Serology Reference Laboratory and the University of Kentucky Mycosero...

2016

We suggest that both of these underlying assumptions, as of this point, are unproven. Moreover, we suggest that this proposed approach ignores a rather wellestablished fact of basic reproductive biology, namely that any form of cryopreservation to some degree negatively affects pregnancy and live birth chances. For example, claims of equivalency between fresh and cryopreserved donor oocytes wer...

2017
J. L. Castro J. J. Castro-Schez

The real life problems deal with imperfectly specified knowledge and some degree of imprecision, uncertainty or inconsistency is embedded in the problem specification. The well-founded theory of fuzzy sets is a special way to model the uncertainty. The rules in a fuzzy model contain a set of propositions, each of which restricts a fuzzy variable to a single fuzzy value by means of the predicate...

1998
NAICHUNG CONAN LEUNG

In this paper we show that stability for holomorphic vector bundles are equivalent to the existence of solutions to certain system of Monge Amp ere equations parametrized by a parameter k. We solve this fully nonlinear elliptic system by singular perturbation technique and show that the vanishing of obstructions for the perturbation is given precisely by the stability condition. This can be int...

Journal: :Applied optics 1994
D Mendlovic H M Ozaktas A W Lohmann

Two definitions of a fractional Fourier transform have been proposed previously. One is based on the propagation of a wave field through a graded-index medium, and the other is based on rotating a function's Wigner distribution. It is shown that both definitions are equivalent. An important result of this equivalency is that the Wigner distribution of a wave field rotates as the wave field prop...

2004
N. A. Karpenko

Let X be a nonsingular quadratic hypersurface in a projective space over an arb#rary field (of characteristic not two) and let CHPX be a Chow group of codimension p, that is, a group of classes of codimension p cycles on X with respect to rational equivalency. It is proved that torsion in CH 3X is either trivial or is a second order group. Torsion in CHPX, when p ~ 3, was studied earlier in RZh...

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