搜索结果: 1-13 共查到“理学 Negative Coefficients”相关记录13条 . 查询时间(0.093 秒)
A Third-Order Scheme for Numerical Fluxes to Guarantee Non-Negative Coefficients for Advection-Diffusion Equations
Numerical Scheme, Numerical Analysis, Numerical Stability, Positivity Condition, Advection-Diffusion Equation, Advection Equation, High-Order Scheme, Godunov Theorem, Burgers’ Equation
2013/1/30
According to Godunov theorem for numerical calculations of advection equations, there exist no high-er-order schemes with constant positive difference coefficients in a family of polynomial schemes wi...
Multivalent meromorphic starlike functions with negative coefficients
Meromorphic Starlike Negative Coefficients
2010/9/13
Coefficient inequalities, distortion theorems and class preserving integral operators are obtained for p-valent meromorphic starlike functions of order α (0 ≤ α < p) with negative coefficients.
Extending Landau's Theorem on Dirichlet Series with Non-Negative Coefficients
Extending Landau's Theorem Non-Negative Coefficients
2010/11/26
A classical theorem of Landau states that, if an ordinary Dirichlet series has non-negative coefficients, then it has a singularity on the real line at its abscissae of absolute convergence.
On a Certain Subclass of Starlike Functions with Negative Coefficients
Univalent functions Starlike functions Integral means Neighborhoods Partial sums
2010/1/22
We introduce the class of analytic functions with negative coefficients. In this paper we give some properties of functions in the class and we obtain coefficient estimates, neighborhood and integ...
Subclass of univalent functions with negative coefficients and starlike with respect to symmetric and conjugate points
Analytic functions univalent functions starlike with respect to symmetric points
2010/9/13
Subclass of univalent functions with negative coefficients and starlike with respect to symmetric and conjugate points
A New Subclass of $k$-Uniformly Convex Functions with Negative Coefficients
Analytic functions Univalent functions Coefficient inequalities and coefficient estimates Starlike functions Convex functions Close-to-convex functions $k$-Uniformly convex functions $k$-Uniformly starlike functions Uniformly starlike functions Hadamard product (or convolution) Extreme points Radii of close-to-convexity starlikeness and convexity Integral operators
2008/7/3
A New Subclass of $k$-Uniformly Convex Functions with Negative Coefficients.
Integral Means for Starlike and Convex Functions with Negative Coefficients
Univalent Starlike Convex Integral mean
2008/6/30
Integral Means for Starlike and Convex Functions with Negative Coefficients.
On A Certain Class Of $p-$Valent Functions With Negative Coefficients
p-valent Coefficient Distortion Closure Starlike Convex Fractional calculus Integral operators
2008/6/30
On A Certain Class Of $p-$Valent Functions With Negative Coefficients.
On certain class of univalent functions with negative coefficients
Univalent functions starlike functions
2010/9/15
On certain class of univalent functions with negative coefficients.
On certain subclass of analytic univalent functions with negative coefficients
Univalent functions derivative operator
2010/9/15
For λ ≥ 0, n ∈ N0, in [3], the authors introduced the operator Dn λ,which is a generalized Ruscheweyh derivatives operator. In this paper,some results on coefficient inequalities, growth and distortio...
Oscillation of nonlinear neutral delay differential equations of second-order with positive and negative coefficients
Delay differential equations neutral nonlinear oscillation second-order
2010/2/25
Some oscillation criteria for the following second-order neutral differential equation [x(t)\pm r(t) f( x(t-g))]''+p(t) g(x(t-a)) -q(t) g(x(t-b )) = s(t) where t\geq t0, g,a,b \in R+ with a \geq b, r ...
CERTAIN CLASSES OF ANALYTIC AND MULTIVALENT FUNCTIONS WITH NEGATIVE COEFFICIENTS
MULTIVALENT FUNCTIONS NEGATIVE COEFFICIENTS
2010/3/17
We introduce a subclass K*n+p-1(A,B) of analytic and p-valent functions with negative coefficients. Coefficient estimates, some properties, distortion theorems and closure theorems of functions belong...
SOME APPLICATIONS OF FRACTIONAL CALCULUS OPERATORS TO A CERTAIN SUBCLASS OF ANALYTIC FUNCTIONS WITH NEGATIVE COEFFICIENTS
FRACTIONAL CALCULUS OPERATORS ANALYTIC FUNCTIONS NEGATIVE COEFFICIENTS
2010/3/17
The object of the present paper is to prove various distortion theorems for the fractional calculus of functions in the class Tn\left(l,a\right) consisting of analytic and univalent functions with neg...