Results 241 to 250 of about 133,608 (290)

Periodic Polyserositis (Periodic Disease)

Gastroenterology, 1962
Summary Periodic disease or familial Mediterranean fever is reviewed and periodic polyserositis is suggested as a more rational name for this syndrome. Three case reports are presented. In one of these a positive fluorescent antibody test was found, suggesting a relationship to the collagen diseases.
F W, NUGENT, C M, WEBER
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PERIODIC MODULES WITH LARGE PERIOD

The Quarterly Journal of Mathematics, 1992
One of the goals of modular representation theory is to understand projective resolutions of finitely generated modules for a modular group algebra. Eisenbud has proved that a module whose minimal resolution is bounded in dimension is periodic, in the sense that the modules and maps in the minimal resolution repeat with a certain period.
Benson, D. J., Carlson, Jon F.
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Periodic Wavelet Transforms and Periodicity Detection

SIAM Journal on Applied Mathematics, 2002
A nonnormalized continuous generalized Haar wavelet transform is introduced. Time-scale periodicity of such transform on a periodic signal is shown. Complete classification of all wavelets possessing the above preservation of the periodicity is given in terms of Fourier images.
Götz E. Pfander, John J. Benedetto
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Periodic Fever and Periodic Abdominalgia

Postgraduate Medicine, 1950
(1950). Periodic Fever and Periodic Abdominalgia. Postgraduate Medicine: Vol. 8, No. 2, pp. 88-92.
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Testing Periodicity

Algorithmica, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Oded Lachish, Ilan Newman
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Periodic Cages.

ChemInform, 2005
Various cages are constructed by using three types of caps: f-cap (derived from spherical fullerenes by deleting zones of various size), kf-cap (obtainable by cutting off the polar ring, of size k), and t-cap ("tubercule"-cap). Building ways are presented, some of them being possible isomerization routes in the real chemistry of fullerenes.
Mircea V. Diudea, Csaba L. Nagy, Ioan Silaghi-Dumitrescu, Ante Graovac, Dusanka Janezic, Drazen Vikic-Topic   +5 more
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The period of periodic Young modules

Archiv der Mathematik, 2012
Let \(k\) be an algebraically closed field of characteristic \(p\). Young modules for the symmetric group \(S_r\) on \(r\) letters form an important class of indecomposable \(kS_r\)-modules, and in particular those Young modules which are periodic have been classified (in terms of their indexing partitions) by Hemmer and Nakano.
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On Periodic Solutions of the Periodic

Results in Mathematics, 1988
By treating the periodic Riccati equation $${\rm\dot{z}=a(t)z^2+b(t)z+c(t)}$$ as a dynamical system on the sphere S, the number and stability of its periodic solutions are determined. Using properties of Moebius transformations, an exact algebraic relation is obtained between any periodic solution and any complex-valued periodic solution.
K. Y. Guan, J. Gunson, H. S. Hassan
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On the period of sums of discrete periodic signals

IEEE Signal Processing Letters, 1998
Unlike the continuous case, given two discrete periodic signals, their sum is always periodic. We give a characterization for the period of the sum; as shown, the least common multiple of the periods of the signals being added is not necessarily the period of the sum.
Alfredo Restrepo Palacios, Liliana Chacon   +1 more
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On the periods of a periodic function

International Journal of Mathematical Education in Science and Technology, 2005
It is known that any nonconstant real-valued periodic function defined on the set of all real numbers is either discontinuous at each point of its domain or has a least positive period. Using the additive semigroup consisting of non-negative periods, we generalize this result by giving a unified proof of the same conclusion when the domain of the given
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