نتایج جستجو برای: path coefficient

تعداد نتایج: 304574  

Journal: :International Journal of Current Microbiology and Applied Sciences 2018

Journal: :African Journal of Plant Science 2021

Ethiopia is the center of origin for Ethiopian mustard (Brassica carinata). The crop one oldest oil crops and farmers in highlands country grow as a leafy vegetable their gardens. However, no attempt has been made to assess association characters path analysis leaf. This study was conducted traits among yield related determine direct indirect effects traits. A total 36 genotypes were evaluated ...

2006
Vincenza Carchiolo Michele Malgeri Giuseppe Mangioni Vincenzo Nicosia

In this paper we present and simulate a new self–organising algorithm for P2P unstructured networks inspired by human relationships. This algorithm, called PROSA , tries to simulate the evolution of human relationships from simple acquaintance to friendship and partnership. Our target is to obtain a self–reconfiguring P2P system which possesses some of the desirable features of social communiti...

2007
DAVID S. JERISON CARLOS E. KENIG C. E. KENIG H. F. Weinberger

Au — 0 in D; u = ƒ on bD9 where ƒ and its gradient on 3D belong to L(do). For C domains, these estimates were obtained by A. P. Calderón et al. [1]. For dimension 2, see (d) below. In [4] and [5] we found an elementary integral formula (7) and used it to prove a theorem of Dahlberg (Theorem 1) on Lipschitz domains. Unknown to us, this formula had already been discovered long ago by Payne and We...

Journal: :Computer Physics Communications 2006
Stefan Bekavac

A method for the evaluation of the ε-expansion of multi-loop massless Feynman integrals is introduced. This method is based on the Gegenbauer polynomial technique and the expansion of the Gamma function in terms of harmonic sums. Algorithms for the evaluation of nested and harmonic sums are used to reduce the expressions to get analytical or numerical results for the expansion coefficients. Met...

1999
MARGARET M. BAYER

A graded partially ordered set is Eulerian if every interval has the same number of elements of even rank and of odd rank. Face lattices of convex polytopes are Eulerian. For Eulerian partially ordered sets, the flag vector can be encoded efficiently in the cd-index. The cd-index of a polytope has all positive entries. An important open problem is to give the broadest natural class of Eulerian ...

2002
V. A. Smirnov

A brief review of recent results on analytical evaluation of double-box Feynman integrals is presented. First steps towards evaluation of massless on-shell triple-box Feynman integrals within dimensional regularization are described. The leading power asymptotic behaviour of the dimensionally regularized massless on-shell master planar triple-box diagram in the Regge limit t/s → 0 is evaluated....

2016
Sanne C. T. Peeters Ed H. B. M. Gronenschild Therese van Amelsvoort Jim van Os Machteld Marcelis Rene Kahn Durk Wiersma Richard Bruggeman Wiepke Cahn Lieuwe de Haan Carin Meijer Inez Myin‐Germeys

BACKGROUND Previous research has shown that the human brain can be represented as a complex functional network that is characterized by specific topological properties, such as clustering coefficient, characteristic path length, and global/local efficiency. Patients with psychotic disorder may have alterations in these properties with respect to controls, indicating altered efficiency of networ...

2013
Changhyun Kwon Taehan Lee Paul Berglund

We consider a robust shortest path problem when the cost coefficient is the product of two uncertain factors. We first show that the robust problem can be solved in polynomial time by a dual variable enumeration with shortest path problems as subproblems. We also propose a path enumeration approach using a K-shortest paths finding algorithm that may be efficient in many real cases. An applicati...

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