نتایج جستجو برای: l_1 finite type surface

تعداد نتایج: 2127570  

1999
LAURENT HAUSWIRTH JOAQUÍN PÉREZ

We prove that the end of a complete embedded minimal surface in R3 with infinite total curvature and finite type has an explicit Weierstrass representation that only depends on a holomorphic function that vanishes at the puncture. Reciprocally, any choice of such an analytic function gives rise to a properly embedded minimal end E provided that it solves the corresponding period problem. Furthe...

An analytical solution of the equation describing diffusion of intrinsic point defects in semiconductor crystals has been obtained for a one-dimensional finite-length domain with the Robin-type boundary conditions. The distributions of point defects for different migration lengths of defects have been calculated. The exact analytical solution was used to verify the approximate numerical solutio...

Journal: :CoRR 2017
Jingqiu Zhou Xuan Wang Shaoshuai Mou Brian D. O. Anderson

This paper proposes distributed algorithms for multi-agent networks to achieve a solution in finite time to a linear equation Ax = b where A has full row rank, and with the minimum l1-norm in the underdetermined case (where A has more columns than rows). The underlying network is assumed to be undirected and fixed, and an analytical proof is provided for the proposed algorithm to drive all agen...

Journal: :journal of linear and topological algebra (jlta) 0
p nosratpour department of mathematics, ilam branch, islamic azad university, ilam, iran.

let l = u3(9) be the simple projective unitary group in dimension 3 over a eld with 92 elements. in this article, we classify groups with the same order and degree pattern as an almost simple group related to l. since aut(l) = z4 hence almost simple groups related to l are l, l : 2 or l : 4. in fact, we prove that l, l : 2 and l : 4 are od-characterizable.

Journal: :journal of linear and topological algebra (jlta) 0
j rashidinia department of mathematics,college of basic science, islamic azad university, alborz, iran. h. s. shekarabi department of mathematics,college of basic science, islamic azad university, alborz, iran. m aghamohamadi department of mathematics,college of basic science, islamic azad university, alborz, iran.

we have developed a three level implicit method for solution of the helmholtz equation. using the cubic spline in space and nite di erence in time directions. the approach has been modi ed to drive numerov type nite di erence method. the method yield the tri- diagonal linear system of algebraic equations which can be solved by using a tri-diagonal solver. stability and error estimation of the...

Journal: :Mathematical Programming 2022

The paper proposes and justifies a new algorithm of the proximal Newton type to solve broad class nonsmooth composite convex optimization problems without strong convexity assumptions. Based on advanced notions techniques variational analysis, we establish implementable results global convergence proposed as well its local with superlinear quadratic rates. For certain structured problems, obtai...

Journal: :Annales Polonici Mathematici 1979

Journal: :Illinois Journal of Mathematics 2008

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...

In this paper, a novel structure of a axial flux switching machines for use in wind speed turbines at low speeds has been proposed, which in addition to the previous advantages, has a simple and economical design for the production of this type of machines. In this proposed machine, the magnets are placed on the surface of stator, and the three-phase winding is located in the space between the ...

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