نتایج جستجو برای: davey

تعداد نتایج: 670  

Journal: :Demonstratio Mathematica 2023

Abstract In this article, the stochastic fractional Davey-Stewartson equations (SFDSEs) that result from multiplicative Brownian motion in Stratonovich sense are discussed. We use two different approaches, namely Riccati-Bernoulli sub-ordinary differential and sine-cosine methods, to obtain novel elliptic, hyperbolic, trigonometric, rational solutions. Due significance of theory turbulence for ...

Journal: :Journal of Physics A 2022

A family of higher-order rational lumps on non-zero constant background Davey-Stewartson (DS) II equation are investigated. These solutions have multiple peaks whose heights and trajectories approximately given by asymptotical analysis. It is found that the time-dependent for large time they approach same height value first-order fundamental lump. The resulting considered it scattering angle ca...

Journal: :Journal of Nonlinear Mathematical Physics 2021

The (2+1)-dimensional Davey-Stewartson-like equations with variable coefficients have the applications in ultra-relativistic degenerate dense plasmas and Bose-Einstein condensates. Via Bell polynomials symbolic computation, bilinear form, Backlund transformation Lax pair for such are obtained. Based on Hirota method, we construct soliton solutions, analyze elastic collisions constant coefficien...

Journal: :International journal of epidemiology 2005
Emily Grundy

Magazine 1934;Jul–Aug:153–59. (Reprinted Int J Epidemiol 2003;32:493–95.) 4 McKeown T, Brown R. Medical evidence related to English population changes in the eighteenth century. Popul Stud 1955;9:119–41. 5 Rosental P. The novelty of an old genre: Louis Henry and the founding of historical demography. Population (English Edition) 2003;58:97–130. 6 Johansson SR. ‘Death and the Doctors: Medicine a...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2005
P S Epstein

that there are more possible electron positions available than there are valency electrons to fill them, and the question also arises as to which of the radii are to be selected in those cases when two types of lattice are possible. If we knew definitely just how a single electron scatters X-rays these two questions could be easily settled by a quantitative consideration of the intensities of t...

2010
Seelye Martin Robert Drucker Richard Aster Fred Davey Emile Okal Ted Scambos Douglas MacAyeal

[1] Satellite imagery reveals that a series of large icebergs (B15B in April 2001, C19 in June 2003, and B15A in October 2005) broke up or fractured while exiting the Ross Sea in a narrowly defined area off Cape Adare, Antarctica. Examination of recent swath‐mapped bathymetric observations revealed that the principle agent of these breakups is a previously unknown 9 km long ridge with minimum d...

Journal: :Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2009
Sergei L Kosakovsky Pond Davey M Smith

Received 9 February 2009; accepted 11 February 2009; electronically published 30 March 2009. Reprints or correspondence: Dr. Davey M. Smith, University of California–San Diego, 9500 Gilman Dr., MC 0679, La Jolla, CA 92093 ([email protected]). Clinical Infectious Diseases 2009; 48:1306–9 2009 by the Infectious Diseases Society of America. All rights reserved. 1058-4838/2009/4809-0025$15.00 DOI: 10....

Journal: :Proceedings of the Royal Society of Medicine 1965

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