Báo cáo toán học: Spectral properties of generalized multipliers " pptx

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Ngày tải lên: 05/08/2014, 15:21

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Ngày tải lên: 05/08/2014, 15:21

... Parvatham, R: Properties of a class of functions with bounded boundary rotation. Ann. Polon. Math. 31, 311–323 (1975) [3]. Noor, KI: On radii of convexity and starlikeness of some classes of analytic ... family of integral operator using famous convolution technique. We also apply this newly defined operator for investigating some interesting mapping properties of certai...

Ngày tải lên: 20/06/2014, 21:20

... direction [21–28]. The aim of this article is to study the necessary conditions for existence of common fixed points of four maps satisfying generalized weak contractive conditions in the framework of complete ... x n )), (2.20) 10 Fixed point of generalized weakly contractive mappings in ordered partial metric spaces Mujahid Abbas ∗ and Talat Nazir Department of Mathematics, L...

Ngày tải lên: 20/06/2014, 21:20

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Ngày tải lên: 05/08/2014, 15:20

... version of Graffiti made number of conjectures about operations R and B (derived from the chromatic number) and we included a sample of them in the first draft of this paper. Since then, most of these ... Written on the Wall, a list of conjectures of Graffiti. Ramseyan Properties of Graphs by Ermelinda DeLaVina delavina@math.uh.edu Siemion Fajtlowicz siemion@math.uh.edu Universit...

Ngày tải lên: 07/08/2014, 06:20

... thought of. We give, without proof, one example which gives smaller graphs than the ones in the proof of Theorem 12. In this example, calculations are carried modulo 2r + 1. We consider a cycle of ... one-identifying code in G with n − 1 vertices. Proof. We refer to [9], which gives an elegant proof of a more general result.  An easy consequence of Lemma 6 is that T 1 = ∅: Corollary...

Ngày tải lên: 07/08/2014, 15:22

... a sequence ˜ S of length m which consists of all nonzero eigen- values of X n such that the number of appearences of an eigenvalue is its multiplicity. the electronic journal of combinatorics ... journal of combinatorics 14 (2007), #R45 7 2. The multiplicity of zero as an eigenvalue of X n is n − m. 3. If α(λ) is the multiplicity of the eigenvalue λ of X n , then λα(λ) i...

Ngày tải lên: 07/08/2014, 15:22

... proof of Theorem 28 of [4] can also be adapted to hereditary properties of tour- naments, to produce many properties with different exponential speeds, but we spare the reader the details. Of ... proof of Theorem 1. Lemma 7. Let P be a hereditary property of tournaments. If B(P) = ∞, then P contains arbitrarily large structures of Type 1 or 2. Proof. Let P be a hereditary pro...

Ngày tải lên: 07/08/2014, 15:23

... called the edge ideal of G. We will often speak of algebraic properties of a graph G and by this we mean the corresponding property of the ring R G obtained as the quotient of S by the edge ideal ... the theory of resolutions of ideals. In section 3 we discuss the case of edge ideals of graphs G where G is the complement of a chordal graph. Here we are able to give a sim...

Ngày tải lên: 08/08/2014, 01:20