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Certain Properties of -Hypergeometric Functions

by Uzoamaka A Ezeafulukwe , Maslina Darus
"... The quotients of certain -hypergeometric functions are presented as -fractions which converge uniformly in the unit disc. These results lead to the existence of certain -hypergeometric functions in the class of either -convex functions, PC , or -starlike functions PS * . ..."
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The quotients of certain -hypergeometric functions are presented as -fractions which converge uniformly in the unit disc. These results lead to the existence of certain -hypergeometric functions in the class of either -convex functions, PC , or -starlike functions PS * .

On certain properties of cosmological models

by S. P. Novikov - Zh. Eksper. Teoret. Fiz , 1972
"... Abstract. It is shown that in homogeneous cosmological models the Einstein equations can be reduced, on the basis of scale invariance, to systems with fric-tion. The formalism involving friction permits one to investigate the problem of isotropization of the solutions in the Bianchi model IX at late ..."
Abstract - Cited by 1 (1 self) - Add to MetaCart
at late development stages. The possibility of a statistical description of the properties of the model is discussed. A number of investigations of the last decade have been devoted to the question (first explicitly formulated by Landau) of the singularities of the solutions of Ein-stein’s equations

ON CERTAIN PROPERTY OF THE NORMS BY MODULARS BY

by Tetsuya Shimogaki
"... Let $R $ be a universally continuous semi-ordered linear space. A functional $m(a)(a\in R) $ is said to be a modularl) on $R $ if it satisfies the following modular conditions: (1) $ 0\leqq m(a)\leqq\infty $ for all $a\in R $; (2) if $m(\xi a)=0 $ for all $\xi>0 $ , then $a=0 $; (3) for any $a\i ..."
Abstract - Cited by 2 (0 self) - Add to MetaCart
Let $R $ be a universally continuous semi-ordered linear space. A functional $m(a)(a\in R) $ is said to be a modularl) on $R $ if it satisfies the following modular conditions: (1) $ 0\leqq m(a)\leqq\infty $ for all $a\in R $; (2) if $m(\xi a)=0 $ for all $\xi>0 $ , then $a=0 $; (3) for any $a\in R $ there exists $a>0 $ such that $ m(aa)<\infty $; (4) for every $a\in R, $ $m(\xi a) $ is a convex function of $\xi $; (5) $|a|\leqq|b| $ implies $m(a)\leqq m(b) $; (6) $a\wedge b=\backslash 0 $ implies $m(a+b)=m(a)+m(b) $; (7) $0\leqq a_{l}\uparrow aRC-.4 $ implies $m(a)=\sup_{R\in\Lambda}m(a_{\lambda}) $. In $R $ , we define functionals $||a||, $ $\Vert|a\Vert|(a\in R) $ as follows $||a||=\inf_{\xi>0}\frac{1+m(\tilde{\sigma}a)}{\xi} $. $\Vert|a|_{1}^{1}|=\inf_{m(\text{\’{e}} a)\leq 1}\frac{1}{|\xi|} $. Then it is easily seen that both $||a|| $ and $\Vert|a\Vert| $ are norms on $R $ and $||_{1}|a\Vert|\leqq||a||\leqq 2\Vert|a\Vert| $ for all $a\in R $. $||a|| $ is said to be the first norm by $m$ and $\Vert|a\Vert| $ is said to be the second norm by $m $. Let $\overline{R}^{m} $ be the modular

On Certain Properties of Intersection Grammars

by Josef Zapletal
"... Dedicated to the Professor Noam Chomsky who combated for persecuted czech mathematics against bolshevik injury in ČSSR for a long time on radio stations Free Europe, BBC London and Voice of America. Abstract: This paper links up to the papers [1], [2] and [3]. The author deals with the intersections ..."
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} m s=0 be a finite sequence of strings from the set V ∗ such that s = s0, si−1 ⇒ si (R) for every i with the property 1 ≤ i ≤ m and sm = t. Then we say that the sequence {si} m s=0 is the s − derivative of the string t in the set R of the length m. 1.5 Remark For m = 0 the sequence {si} m s=0 from 1

ON CERTAIN PROPERTIES OF MODULAR CONVERGENCE By

by Masahumi Sasaki
"... Let $R $ be a universally continuous semi-ordered linear space. A functional $m(a)(a\in R) $ is said to be a modular on $R $ if it satisfies the following modular conditions: (1) $ 0\leqq m(a)\leqq+\infty $ for all $a\in R $; (2) if $m(\hat{\sigma}a)=0 $ for all $\xi\geqq 0 $ , then $a=0 $; (3) for ..."
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Let $R $ be a universally continuous semi-ordered linear space. A functional $m(a)(a\in R) $ is said to be a modular on $R $ if it satisfies the following modular conditions: (1) $ 0\leqq m(a)\leqq+\infty $ for all $a\in R $; (2) if $m(\hat{\sigma}a)=0 $ for all $\xi\geqq 0 $ , then $a=0 $; (3) for any $a\in R $ there exists $a>0 $ such that $ m(aa)<+\infty $; (4) for every $a\in R, $ $m(\xi a) $ is a convex function of $\xi $; (5) $|a|\leqq|b| $ implies $m(a)\leqq m(b) $; (6) $a\leftrightarrow b=0 $ implies $m(a+b)=m(a)+m(b) $; (7) $0\leqq a_{l}\uparrow_{l\in\Lambda}a_{\backslash} $ implies $m(a)=\sup_{\lambda\in\Lambda}m(a_{\lambda}) $. Throughout the paper we use the notations and terminologies used in [2]. Here $|w|-\lim_{\nu\rightarrow\infty}a_{\nu}=a $ or $w-\lim_{\nu\rightarrow\infty}a_{\nu}=a $ for $a, $ $a_{\nu}\in R(\nu=1,2,3, \cdots)$ means $\lim_{\nu\rightarrow\infty}|\overline{\sigma}|(|a_{\nu}-a|)=0 $ or $\lim_{\nu\rightarrow\infty} $ a $(a_{\nu}-a)=0 $ respectively for any $\overline{a}\in\overline{R}^{m1)} $. If $\Phi(u) $ is a real convex function, defined for $u\geqq 0 $ , such that $\Phi(0)=0$ and $\Phi(u)\geqq 0 $ for $u>0 $ , but $\Phi(u) $ not identically zero or infinity for $u>0 $,

Functions and their basic properties

by Czesław Byliński - JOURNAL OF FORMALIZED MATHEMATICS , 2003
"... The definitions of the mode Function and the graph of a function are introduced. The graph of a function is defined to be identical with the function. The following concepts are also defined: the domain of a function, the range of a function, the identity function, the composition of functions, the ..."
Abstract - Cited by 1336 (32 self) - Add to MetaCart
, the 1-1 function, the inverse function, the restriction of a function, the image and the inverse image. Certain basic facts about functions and the notions defined in the article are proved.

Approximate Riemann Solvers, Parameter Vectors, and Difference Schemes

by P. L. Roe - J. COMP. PHYS , 1981
"... Several numerical schemes for the solution of hyperbolic conservation laws are based on exploiting the information obtained by considering a sequence of Riemann problems. It is argued that in existing schemes much of this information is degraded, and that only certain features of the exact solution ..."
Abstract - Cited by 1010 (2 self) - Add to MetaCart
are worth striving for. It is shown that these features can be obtained by constructing a matrix with a certain “Property U.” Matrices having this property are exhibited for the equations of steady and unsteady gasdynamics. In order to construct them, it is found helpful to introduce “parameter vectors

The adaptive LASSO and its oracle properties

by Hui Zou - Journal of the American Statistical Association
"... The lasso is a popular technique for simultaneous estimation and variable selection. Lasso variable selection has been shown to be consistent under certain conditions. In this work we derive a necessary condition for the lasso variable selection to be consistent. Consequently, there exist certain sc ..."
Abstract - Cited by 683 (10 self) - Add to MetaCart
The lasso is a popular technique for simultaneous estimation and variable selection. Lasso variable selection has been shown to be consistent under certain conditions. In this work we derive a necessary condition for the lasso variable selection to be consistent. Consequently, there exist certain

Certain Properties of Generalized Fibonacci Sequence

by Yashwant K. Panwar, Mamta Singh , 2014
"... In this study, we present certain properties of Generalized Fibonacci sequence. Generalized Fibonacci sequence is defined by recurrence relation 1 2, 2k k kF pF qF k − − = + ≥ with 0 1,F a F b = =. This was introduced by Gupta, Panwar and Sikhwal. We shall use the Induction method and Binet’s for ..."
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In this study, we present certain properties of Generalized Fibonacci sequence. Generalized Fibonacci sequence is defined by recurrence relation 1 2, 2k k kF pF qF k − − = + ≥ with 0 1,F a F b = =. This was introduced by Gupta, Panwar and Sikhwal. We shall use the Induction method and Binet’s

A Simple Proof of the Restricted Isometry Property for Random Matrices

by Richard Baraniuk, Mark Davenport, Ronald DeVore, Michael Wakin - CONSTR APPROX , 2008
"... We give a simple technique for verifying the Restricted Isometry Property (as introduced by Candès and Tao) for random matrices that underlies Compressed Sensing. Our approach has two main ingredients: (i) concentration inequalities for random inner products that have recently provided algorithmical ..."
Abstract - Cited by 631 (64 self) - Add to MetaCart
We give a simple technique for verifying the Restricted Isometry Property (as introduced by Candès and Tao) for random matrices that underlies Compressed Sensing. Our approach has two main ingredients: (i) concentration inequalities for random inner products that have recently provided
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