نتایج جستجو برای: ظریه kp

تعداد نتایج: 4131  

2018
Najeeb Ullah Khan Ali Zalan Arnolfo Petruzziello Iftikhar ud din Fazle Haq Yousaf Hayat

Background Hepatitis B is considered the most dangerous among the five types of Hepatitis, as it is clinically asymptomatic. It can silently damage the liver over many years without being diagnosed. Hepatitis B is one of the top risks of liver complications in Khyber Pakhtunkhwa (KP), a province of Pakistan, with an average prevalence rate of 2.70%. Aims We aimed to carefully review the previ...

Journal: :The spine journal : official journal of the North American Spine Society 2009
Matthew J McGirt Scott L Parker Jean-Paul Wolinsky Timothy F Witham Ali Bydon Ziya L Gokaslan

BACKGROUND Vertebroplasty (VP) and kyphoplasty (KP) are routinely used to treat vertebral body compression fractures (VCFs) resulting from osteoporosis or vertebral body tumors in order to provide rapid pain relief. However, it remains debated whether VP or KP results in superior outcomes versus medical management alone in patients experiencing VCFs. PURPOSE To determine the level of evidence...

2008
L. V. Bogdanov

Analytic-bilinear approach is used to study continuous and discrete non-isospectral symmetries of the generalized KP hierarchy. It is shown that Möbius symmetry transformation for the singular manifold equation leads to continuous or discrete non-isospectral symmetry of the basic (scalar or multicomponent KP) hierarchy connected with binary Bäcklund transformation. A more general class of multi...

2015
Nuttapong Attrapadung Goichiro Hanaoka Shota Yamada

Predicate encryption is an advanced form of public-key encryption that yield high flexibility in terms of access control. In the literature, many predicate encryption schemes have been proposed such as fuzzy-IBE, KP-ABE, CP-ABE, (doubly) spatial encryption (DSE), and ABE for arithmetic span programs. In this paper, we study relations among them and show that some of them are in fact equivalent ...

2016
Zahra Rasoulzadeh Roya Ghods Tohid Kazemi Ebrahim Mirzadegan Nassim Ghaffari-Tabrizi-Wizsy Simin Rezania Somaieh Kazemnejad Soheila Arefi Jamileh Ghasemi Sedigheh Vafaei Ahmad-Reza Mahmoudi Amir-Hassan Zarnani

Kisspeptins (KPs) are major regulators of trophoblast and cancer invasion. Thus far, limited and conflicting data are available on KP-mediated modulation of breast cancer (BC) metastasis; mostly based on synthetic KP-10, the most active fragment of KP. Here, we report for the first time comprehensive functional effects of term placental KPs on proliferation, adhesion, Matrigel invasion, motilit...

Journal: :Proceedings of The Royal Society A: Mathematical, Physical and Engineering Sciences 2022

We study transverse stability and instability of one-dimensional small-amplitude periodic travelling waves a generalized Kadomtsev–Petviashvili equation with respect to two-dimensional perturbations, which are either or square-integrable in the direction propagation underlying wave direction. obtain results KP-fKdV, KP-ILW KP-Whitham equations. Moreover, assuming spectral we aforementioned

Journal: :Discrete Mathematics 2001
Ling-sheng Shi Ke-min Zhang

The Ramsey number R(G1; G2; : : : ; Gn) is the smallest integer p such that for any n-edge coloring (E1; E2; : : : ; En) of Kp; Kp[Ei] contains Gi for some i, Gi as a subgraph in Kp[Ei]. Let R(m1; m2; : : : ; mn):=R(Km1 ; Km2 ; : : : ; Kmn); R(m; n):=R(m1; m2; : : : ; mn) if mi=m for i=1; 2; : : : ; n. A formula is obtained for R(G1; G2; : : : ; Gn). c © 2001 Elsevier Science B.V. All rights re...

1997
Wen-Xiu Ma R. K. Bullough

By starting from known graded Lie algebras, including Virasoro algebras, new kinds of time-dependent evolution equations are found possessing graded symmetry algebras. The modified KP equations are taken as an illustrative example: new modified KP equations with m arbitrary time-dependent coefficients are obtained possessing symmetries involving m arbitrary functions of time. A particular grade...

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