نتایج جستجو برای: cubic b

تعداد نتایج: 930336  

Journal: :Experimental Mathematics 1992
John W. Milnor

1. The Parameter Space for Cubic Maps 2. Real Cubic Maps as Real Dynamical Systems 3. Complex Cubics: The Connectedness Locus 4. Hyperbolic Components Appendix A. Normal Forms and Curves in Parameter Space Appendix B. Centers of Some Hyperbolic Components Appendix C. Comments on the Figures References This article discusses the dynamics of iterated cubic maps from the real or complex line to it...

2017
Martien Den Hertog Miryam Elouneg-Jamroz Edith Bellet-Amalric Samir Bounouar Catherine Bougerol Régis André Yann Genuist Jean-Philippe Poizat Kuntheak Kheng Serge Tatarenko M. den Hertog

ZnSe nanowire growth has been successfully achieved on ZnSe (100) and (111)B buffer layers deposited on GaAs substrates. Cubic [100] oriented ZnSe nanowires or [0001] oriented hexagonal NWs are obtained on (100) substrates while [111] oriented cubic mixed with [0001] oriented hexagonal regions are obtained on (111)B substrates. Most of the NWs are perpendicular to the surface in the last case. ...

2012
K. Maleknejad M. Nosrati Sahlan

This paper aims to obtain approximate solutions of the one-dimensional nonlinear Klein-Gordon equation by employing Cubic B-spline wavelets. Our scheme uses the Galerkin method and approximates the solution in the terms of cubic B-spline scaling and wavelet functions. These wavelets are applied as testing and weighting functions. Because of some properties of these wavelets such as having compa...

2009
Mehrdad Lakestani Mehdi Dehghan

In this article a numerical technique is presented for the solution of Fokker-–Planck equation. This method uses the cubic B-spline scaling functions. The method consists of expanding the required approximate solution as the elements of cubic B-spline scaling function. Using the operational matrix of derivative, the problem will be reduced to a set of algebraic equations. Some numerical example...

1999
NIKLAS BROBERG

Let k be an algebraic number eld and F (x0; x1; x2; x3) a non{singular cubic form with coeecients in k. Suppose that the pro-jective cubic k{surface X P 3 k given by F = 0 contains three coplanar lines deened over k, and let U (k) be the set of k{points on X which does not lie on any line on X. We show that the number of points in U (k), with height at most B, is OF;"(B 4=3+") for any " > 0.

2011
Wallace R. Matizamhuka Iakovos Sigalas Mathias Herrmann Leonid Dubronvinsky Natalia Dubrovinskaia Nobuyoshi Miyajima Gabriela Mera Ralf Riedel

Bulk B-C-N materials were synthesized under static high thermobaric conditions (20 GPa and 2,000 °C) in a multianvil apparatus from a polymer derived t-BC1.97N ceramic. The bulk samples were characterised using X-ray synchrotron radiation and analytical transmission electron microscopy in combination with electron energy loss spectroscopy. Polycrystalline B-C-N materials with a cubic type struc...

Journal: :Int. J. Comput. Geometry Appl. 2003
Chandrajit L. Bajaj Guoliang Xu Robert J. Holt Arun N. Netravali

Given A spline curves and A patch surfaces that are implicitly de ned on triangles and tetrahedra we determine their NURBS representations We provide a trimmed NURBS form for A spline curves and a parametric tensor product NURBS form for A patch surfaces We concentrate on cubic A patches providing a C continuous surface that interpolates a given triangulation together with surface normals at th...

Journal: :Mathematics 2021

We consider the orbital stability of solitary waves to double dispersion equation utt−uxx+h1uxxxx−h2uttxx+f(u)xx=0,h1>0,h2>0 with combined power-type nonlinearity f(u)=a|u|pu+b|u|2pu,p>0,a∈R,b∈R,b≠0. The velocity c, c2<1 is proved by means Grillakis, Shatah, and Strauss abstract theory convexity function d(c), related some conservation laws. derive explicit analytical formulas for d...

2006
Balázs Csébfalvi Markus Hadwiger

In this paper odd-order B-spline filters are proposed to reconstruct volumetric data sampled on an optimal Body-Centered Cubic (BCC) grid. To make these filters nearly interpolating, we adapt a previously published framework, which is based on a discrete frequency-domain prefiltering. It is shown that a BCC-sampled B-spline kernel is not invertible, therefore the interpolation constraint cannot...

2014
K. Sansanaphongpricha

Purpose The purpose of this study is (1) to compare the photothermal effect induced by near infrared laser light among the different shapes of iron oxide nanoparticles (IONPs) loaded micelles and (2) to determine the factors contributing to thermal production of IONPs. Methods IONPs with different shapes were synthesized by using previously published method (Ho, Chem mater, 2011) with modificat...

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