Proceedings of the American Mathematical Society

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  Año 2001, Vol. 129, Número 8

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    On the solutions of the congruence n^2 ¿ 1 (mod phi^2 (n))

    M. Krizek, F. Luca

    págs. 2191-2196

    
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    Symmetric numerical semigroups with arbitrary multiplicity and embedding dimension

    José Carlos Rosales González

    págs. 2197-2204

    
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    On the number of maximal sum-free sets

    T. Schoen, T. Luczak

    págs. 2205-2208

    
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    Splitting sets in integral domains

    D. D. Anderson

    págs. 2209-2218

    
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    Signs in the cd-index of Eulerian partially ordered sets

    M. M. Bayer

    págs. 2219-2226

    
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    On birational morphisms between pencils of Del Pezzo surfaces

    V. Vologodsky

    págs. 2227-2234

    
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    Hypercentral units in integral group rings

    M. M. Parmenter, Y. Li

    págs. 2235-2238

    
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    Inequalities for products of spectral radii

    P. Rosenthal, H. Radjavi, M. Omladic

    págs. 2239-2244

    
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    Iterative approximation of fixed points of Lipschitz pseudocontractive maps

    C. E. Chidume

    págs. 2245-2252

    
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    A random variational principle with application to weak Hadamard differentiability of convex integral functionals

    P. G. Georgiev, F. S. De Blasi

    págs. 2253-2260

    
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    An asymmetric Putnam-Fuglede theorem for unbounded operators

    J. Stochel

    págs. 2261-2272

    
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    An equivalent definition of functions of the first Baire class

    W.-K. Tang, P.-Y. Lee

    págs. 2273-2276

    
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    Compact operators whose real and imaginary parts are positive

    R. Bhatia

    págs. 2277-2282

    
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    An inequality for the norm of a polynomial factor

    I. E. Pritsker

    págs. 2283-2292

    
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    Iteration processes for approximating fixed points of operators of monotone type

    G. Feng

    págs. 2293-2300

    
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    The Fucik spectrum and critical groups

    K. Perera, M. Schechter

    págs. 2301-2308

    
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    Criteria of Polya type for radial positive definite functions

    T. Gneiting

    págs. 2309-2318

    
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    Almost periodic ultradistributions of Beurling and of Roumieu type

    María del Carmen Gómez-Collado

    págs. 2319-2330

    
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    Sur l'inegalite de Poincare, a support compact, pour un ou plusieurs champs de vecteurs

    M. Derridj

    págs. 2331-2342

    
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    A formula for k-hyponormality of backstep extensions of subnormal weighted shifts

    I. B. Jung

    págs. 2343-2352

    
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    Separation for kernels of Hankel operators

    C. Gu

    págs. 2353-2358

    
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    An example on the Mann iteration method for Lipschitz pseudocontractions

    C. E. Chidume, S. A. Mutangadura

    págs. 2359-2364

    
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    Invariant subspaces for bounded operators with large localizable spectrum

    B. Prunaru

    págs. 2365-2372

    
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    The Fefferman-Stein type inequality for the Kakeya maximal operator

    H. Tanaka

    págs. 2373-2378

    
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    On the commutant of operators of multiplication by univalent functions

    S. M. Vaezpour, B. K. Robati

    págs. 2379-2384

    
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    Sufficient conditions for a linear functional to be multiplicative

    M. H. S. Haghighi, K. Seddighi

    págs. 2385-2394

    
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    Polynomial approximation on three-dimensional real-analytic submanifolds of C^n

    J. T. Anderson

    págs. 2395-2402

    
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    Realisation of special Kahler manifolds as parabolic spheres

    O. Baues, V. Cortes

    págs. 2403-2408

    
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    Isometric submersions of Finsler manifolds

    J. C. A. Paiva

    págs. 2409-2418

    
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    Einstein manifolds and contact geometry

    C. P. Boyer, K. Galicki

    págs. 2419-2430