Revista de la
Unión Matemática Argentina
Volúmenes publicados
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47 48
49 50
51  

Volumen 41, Número 1 (1998)

Dedicado a la memoria de Julio Esteban Bouillet, 1942-1994
Introducción. P Benilan and E. Lami Dozo i
Julio E. Bouillet's publications i
Symmetrization of quasi linear parabolic problems. C. Abourjaily and P. Benilan 1
Numerical experiments with ut = α(u)xx. J.E. Bouillet and J.I. Etcheverry 15
Singular limits and the “mesa” problem. J.E. Bouillet, M.K. Korten and V. Márquez 27
Lower semicontinuity of the affine total variation used in image segmentation. C. Ballester, V. Caselles and M. González 41
The relation between Petrov-Galerkin and collocation methods using spline multiresolution analyses. S.M. Gomes and C. Cunha 61
Some remarks on the antimaximum principle. J.-P. Gossez 79
The H-surface system with constant boundary values. E. Lami Dozo and M.C. Mariani 85
Stability criteria through characteristic equations of linear operators. R. Nagel 91
Some nonlinear heat conduction problems for a semi-infinite strip with a non-uniform heat source. D.A. Tarzia and L.T. Villa 99
A priori estimates, Lagrangian coordinates and the regularity of nonlinear diffusion equations. J.L. Vazquez 115
Working with Julio Bouillet. M. Korten 129

Volumen 41, Número 2 (1998)

Smooth parametrization of subspaces in a Banach space. M.J. Dupré, J.C. Evard and J.F. Glazebrook 1
Naturally reductive homogeneous structures on 2-step nilpotent Lie groups. J. Laurent 15
Successive approximations and Osgood's theorem II. C.P. Calderón and V.N. Vera de Serio 25
Representations of the symmetric group Sn on K[x1,...,xn]. J.O. Araujo and J.L. Aguado 39
Multifractal formalism of the Farey partition. M. Piacquadio Losada and E. Cesaratto 51
On the Macías-Segovia metrization of quasi-metric spaces. H. Aimar, B. Iaffei and L. Nitti 67
Validity of the formula $vp \frac{1}{x} \delta = - \frac{1}{2}\delta'$ from the point of view of non-standard analysis. S. Molina 77
Some series for the Riemann-Hurwitz function. P.A. Panzone 89
Free monadic three-valued Lukasiewicz algebras. I. Viglizzo 109
Ring of differential operators and a related completely integrable system. L.A. Piovan 119
A two step model for an urban transit problem. C. Guzner, E. Marchi and L. Zaragoza 147
Jones index theory for type II∞ von Neumann algebras. M. Argerami 163
On the Eisenstein set. A. Benedek and R. Panzone 177
XLVII Reunión Anual de Comunicaciones Científicas de la Unión Matemática Argentina y XX Reunión de Educación Matemática 187
Concurso de Monografías para Estudiantes de Matemática 189

Volumen 41, Número 3 (1999)

Some results on inductive limits. G. Carboni and A. Larotonda 1
Solution to the mean curvature equation for nonparametric surfaces by fixed point methods. P. Amster, J.P. Borgna, M.C. Mariani and D.F. Rial 15
On simultaneous repeated 2×2-games. E.A.S. El-Sedy and Z.A. Kanaya 23
A pointwise ergodic theorem. M.E. Becker 35
Hardy-Orlicz spaces and Hörmander's multipliers. C. Serra and B. Viviani 39
A remark on Euler's constant. P.A. Panzone 51
Homogeneous (2,0)-geodesic submanifolds of Euclidean spaces. C.U. Sánchez and J.L. Moreschi 53
Two-weight inequalities for certain maximal fractional operators on spaces of homogeneous type. A. Bernardis and O. Salinas 61
A remark on numbers with powers in a point-lattice. A. Benedek, R. Panzone and G. Paolini 77
Interpretability into Lukasiewicz algebras. R.A. Lewin 81
Density of periodic geodesics in the unit tangent bundle of a compact hyperbolic surface. M. Salvai 99
On stochastic parallel transport and prolongation of connections. P. Catuogno 107
Necrológicas: Orlando E. Villamayor (1923-1998) 119
Necrológicas: Alberto Pedro Calderón (1920-1998) 129
XLVIII Reunión Anual de Comunicaciones Científicas de la Unión Matemática Argentina y XXI Reunión de Educación Matemática 141

Volumen 41, Número 4 (2000)

An integral equation for a Stefan problem with many phases and a singular source. Julio E. Bouillet and Domingo A. Tarzia 1
A new sequence of linear positive operators for higher order Lp-approximation. P.N. Agrawal and Kareem J. Thamer 9
Variance upper bounds and a probability inequality for discrete α-unimodality. M.I. Ageel 19
Damek-Ricci spaces satisfying the Osserman-p condition. Isabel G. Dotti and María J. Druetta 27
Free (n+1)-valued C-algebras. Aldo V. Figallo 33
Counterexample to a conjecture of Mujica. Christopher Boyd 45
Sobre el acotamiento y la estabilidad global asintótica de la ecuación de Liénard con término restaurador. Juan E. Nápoles Valdés 47
A boundary value problem for a semilinear second order ODE. Pablo Amster, María C. Mariani and Juan Sabia 61
XLIX Reunión Anual de Comunicaciones Científicas de la Unión Matemática Argentina y XXII Reunión de Educación Matemática 69
Índice general volumen 41 71