AUB ScholarWorks

Browsing Department of Mathematics - Faculty Publications by Issue Date

Browsing Department of Mathematics - Faculty Publications by Issue Date

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  • Mourad B. (ABINGDON4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND, 2004)
    In this article, we study generalized doubly stochastic matrices using the theory of Lie groups and Lie algebras. Applications to the inverse eigenvalue problem for symmetric doubly stochastic matrices are presented.
  • Shayya B. (PROVIDENCE201 CHARLES ST, PROVIDENCE, RI 02940-2213 USA, 2004)
    We test the restriction conjecture, in its adjoint form, against a class of measures φδdσ on the sphere Sn-1. The densities φδ are smoothed out characteristic functions of δa2 × δa3 × ⋯ × δan rectangular caps on Sn-1, where ...
  • Daniel D.; Nikiel J.; Treybig L.B.; Tuncali M.; Tymchatyn E.D. (HOUSTONDEPT MATH, HOUSTON, TX 77204 USA, 2004)
    In earlier work the authors raised the following question. Let X denote a locally connected continuum such that X is rim-metric and such that X contains no nondegenerate metric subcontinuum. Is X rim-finite and therefore ...
  • Khuri-Makdisi K. (PROVIDENCE201 CHARLES ST, PROVIDENCE, RI 02940-2213 USA, 2004)
    We use an embedding of the symmetric dth power of any algebraic curve C of genus g into a Grassmannian space to give algorithms for working with divisors on C, using only linear algebra in vector spaces of dimension O(g), ...
  • Haddad J.N. (OXFORD108 COWLEY RD, OXFORD OX4 1JF, OXON, ENGLAND, 2004)
    Derivation of the theoretical autocovariance function of a causal autoregressive moving-average process of order (p, q), ARMA(p, q), when q ≥ 1 is considered. A recursive relationship is established between the covariance ...
  • Daniel D.; Nikiel J.; Treybig L.B.; Tuncali H.M.; Tymchatyn E.D. (, 2005)
    A continuum is said to be Suslinian if it does not contain uncountably many mutually exclusive nondegenerate subcontinua. We prove that Suslinian continua are perfectly normal and rim-metrizable. Locally connected Suslinian ...
  • Bshouty D.; Lyzzaik A. (PROVIDENCE201 CHARLES ST, PROVIDENCE, RI 02940-2213 USA, 2005)
    The aim of this paper is two-fold. First, to give a direct proof for the already established result of Styer which states that a univalent geometrically starlike function f is a univalent annular starlike function if f is ...
  • Abu-Khuzam H.; Bell H.E.; Yaqub A. (, 2005)
    A ring is called semi-weakly periodic if each element which is not in the center or the Jacobson radical can be written as the sum of a potent element and a nilpotent element. After discussing some basic properties of such ...
  • Rao B.; Wehbe A. (BASELVIADUKSTRASSE 40-44, PO BOX 133, CH-4010 BASEL, SWITZERLAND, 2005)
    Using a direct approach, we establish the polynomial energy decay rate for smooth solutions of the equation of Kirchhoff plate. Consequently, we obtain the strong stability in the absence of compactness of the resolvent ...
  • Nassif N.R.; Karam N.M.; Soukiassian Y. (, 2006)
    With the advent of massively parallel computers with thousands of processors, a large amount of work has been done during the last decades in order to enable a more effective use of a higher number of processors, by ...
  • Abi-Khuzam F.; Shayya B. (, 2006)
    If F is a C3 hypersurface in ℝn and dσ is induced Lebesgue measure on Γ, then it is well known that a Tomas-Stein Fourier restriction estimate on Γ implies that Γ has a nowhere vanishing Gaussian curvature. In a recent ...
  • Aly A.H.; Douari J. (SINGAPORE5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE, 2007)
    The quantization of the current in a superconducting quantum point contact is reviewed and the critical current is discussed at different temperatures depending on the carrier concentration as well by suggesting a constant ...
  • Bechtluft-Sachs S.; Samiou E. (, 2007)
    We show that a warped product Mf = ℝ × f ℝ has higher rank and nonpositive curvature if and only if f is a convex solution of the Monge-Ampère equation. In this case we show that M contains a Euclidean factor. © 2007 ...
  • Haddad J.N.; Nimah M.N.; Farajallah N. (CHICHESTERTHE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND, 2007)
    Let [Xt] be a zero mean, Gaussian, autoregressive process of order one with parameter α. For a realization (X1, X 2, . . . , Xn)′ of [Xt], we consider the transformation Yt = Xt-Xt-1, for t = 2, . . . , n. Then the likelihood ...
  • Shayya B. (PROVIDENCE201 CHARLES ST, PROVIDENCE, RI 02940-2213 USA, 2007)
    We prove that the Fourier transform of an L4-3 function can be restricted to any compact convex C2 surface of revolution in R 3. © 2006 American Mathematical Society.
  • Bshouty D.; Lyzzaik A.; Weitsman A. (WASHINGTON UNIVBOX 1146, WASHINGTON UNIV, MO 63130 USA, 2007)
    Let Ω be a bounded convex domain and let ω be a finite Blaschke product of order N = 1, 2,⋯ It is known that the elliptic differential equation f̄ z-f z = ω admits a one-to-one solution normalized by f(O) = O, f z(O) andgt; ...
  • Khuri-Makdisi K. (PROVIDENCE201 CHARLES ST, PROVIDENCE, RI 02940-2213 USA, 2007)
    Let C be a curve of genus g over a field k. We describe probabilistic algorithms for addition and inversion of the classes of rational divisors in the Jacobian of C. After a precomputation, which is done only once for the ...
  • Douari J. (AMSTERDAMPO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2007)
    We study the fluctuations of D 1 ⊥ D 3 branes from D1-brane description in the presence of world volume electric field. The fluctuations are found to obey Neumann boundary conditions separating the system into two regions ...
  • Douari J. (AMSTERDAMPO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2007)
    We discuss the duality of intersecting D1-D5 branes in the low energy effective theory in the presence of electric field. This duality is found to be unbroken. We also deal with the solutions corresponding to two and three ...
  • Brock F.; Chiacchio F.; Mercaldo A. (SAN DIEGO525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA, 2008)
    In this paper we consider the following class of linear elliptic problems[(- div (A (x) ∇ u) = xN k exp (- frac(| x |2, 2)) f (x) in Ω,; u = 0 on ∂ Ω [set minus] [xN = 0],) where k ≥ 0, Ω is a domain (possibly unbounded) ...

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