نتایج جستجو برای: curtis procedure
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CHICAGO – Tony Curtis, who rolled into town to introduce his classic “Some Like it Hot” – December 5th and 6th, 2009, at the Hollywood Palms in Naperville, IL – has a sharp and voracious intelligence, plus the adventurous life story to share. In his new book, “The Making of Some Like it Hot,” Curtis relates the incredible Hollywood tale about how two big stars, he and Jack Lemmon, dressed up as...
We present the first field observations of caddisfly (Trichoptera) larvae using an invasive alien aquatic plant, Crassula helmsii (Kirk) Cockayne, in case construction. In samples from invaded ponds across UK and Belgium, we have recorded presence C. fragments cases Limnephilus lunatus Curtis, Citation1834, marmoratus flavicornis (Fabricius, Citation1787) (Limnephilidae), Triaenodes bicolor (Cu...
We study the dynamics of the excitable Fitz Hugh–Nagumo system under external noisy driving. Noise activates the system producing a sequence of pulses. The coherence of these noise-induced oscillations is shown to be maximal for a certain noise amplitude. This new effect of coherence resonance is explained by different noise dependencies of the activation and the excursion times. A simple one-d...
In this paper we give Murnaghan-Nakayama type formulas for computing the irre-ducible characters of the Iwahori-Hecke algebras of types A n?1 , B n and D n. Our method is a generalization of a derivation of the Murnaghan-Nakayama formula for the irreducible characters of the symmetric group given by Curtis Greene Gr]. Greene's approach is to sum up the diagonal entries of the matrices of certai...
In the present paper we prove that for any 0 < p ≤ 2/3 there exists a martingale f in Hp such that the Marcinkiewicz-Fejér means of double conjugate Walsh-Kaczmarz-Fourier series of the martingale f is not uniformly bounded in the space Lp .
In 1979, Rourke proposed to extend the set of cyclically reduced defining words of a group presentation P by using operations of cyclic permutation, inversion and taking double products. He proved that iterations of these operations yield all cyclically reduced words of the normal closure of defining words of P if the group, defined by the presentation P, is trivial. We generalize this result b...
The Padua points are the first known example of optimal points for total degree polynomial interpolation in two variables, with a Lebesgue constant increasing like log of the degree; cf. [1, 2, 3]. Moreover, they generate a nontensorial Clenshaw-Curtis-like cubature formula, which turns out to be competitive with the tensorial Gauss-Legendre formula and even with the few known minimal formulas ...
This note is about spherical classes in H∗Q0S 0. A conjecture, due to Ed. Curtis, predicts that only Hopf invariant one and Kervaire invariant one elements will give rise to spherical classes in H∗Q0S 0. Yet, there has been no proof of this conjecture around. Assuming that this conjecture fails, there must exist some other spherical classes in H∗Q0S 0. This note determines the form of these pot...
In this paper we describe the use of multivariate Chebyshev polynomials in computing spectral derivations and Clenshaw–Curtis type quadratures. The multivariate Chebyshev polynomials give a spectrally accurate approximation of smooth multivariate functions. In particular we investigate polynomials derived from the A2 root system. We provide analytic formulas for the gradient and integral of A2 ...
Curtis A. Lewis, MD, Timothy E. Allen, MD, Dana R. Burke, MD, John F. Cardella, MD, Steven J. Citron, MD, Patricia E. Cole, MD, PhD, Alain T. Drooz, MD, Elizabeth A. Drucker, MD, JD, Ziv J. Haskal, MD, Louis G. Martin, MD, A. Van Moore, MD, Calvin D. Neithamer, MD, Steven B. Oglevie, MD, Kenneth S. Rholl, MD, Anne C. Roberts, MD, David Sacks, MD, Orestes Sanchez, MD, Anthony Venbrux, MD, Curtis...
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