NOMBRE DlRECCION E-MAIL Aguilera, Nestor PEMA-INTEC, Giiemes 3450, 3000 Santa Fe, Argentina [email protected] Aimar, Hugo PEMA-INTEC, Giiemes 3450, 3000 Santa Fe, Argentina [email protected] Alcantara Bode, Julio Departamento de Ciencias Pontificia Universidad Catolica del Perll Apartado 1761, Lima, Peru Alvarez Alonso, Josefina Department of Mathematics, New Mexico State University, Las Cruces, NM 88003-0001, Estados [email protected] Unidos Alves, Elves Dpto. de Matematica, Universidad Federal de Pernarnbuco CEP 50739, Recife-PE, Brasil [email protected] Arocena, Rodrigo Jose M. Montero 3006-ap 50:3, Montevideo, Uruguay [email protected] Aron, Richard Dept. of Mathematics and Cornpllt.er Science Kent State University, P.O. Box 5190 Kent, Ohio 44242-0001, Est.ados Unidos [email protected] Avellaneda, Marco Courant Inst. of Math. Science, New York University 251 Mercer st. New York 10012, Estados Unidos [email protected] Berhanu, Shiferaw Department of Mathematics Temple University Computer Building 038-16, Philadelphia, PA 19122, Estados Unidos [email protected] Bofli, Vinicio Via Silvagni, 2 40126 Bologna Italia Brambila Paz, Fernando Instituto de Matematicas Univ. Nacional Autonoma Mexico Circuito ext. S / N-Ciudad Universitaria Apartado Postal 20-172 0451O-Mexico, D. F. Mexico [email protected] Caffarelli, Luis The Inst. for Advanced Studies, Univ. of Princeton Olden Lane, Princeton, New Jersey 08540, Estados Unidos [email protected] Calderon, Calixto Dept. of Mathematics, Statistics anel Computer Science University of Illinois at Chicago Box 4348, Illinois 60680, Estados Unidos iv [email protected] Cardoso. Fernando Dto. de Matematica, Univ. Federal de Pernambuco, [email protected] Av. Luiz Freire-Predio do CCEN CEP 50739 Recife-PE, Brasil Cattani, Eduardo Amherst College University of Massachusetts, Amherst, MA 01002, Estados Unidos [email protected] Cobos, Fernando Dto. de Mat., Fac. de Ciencias Univ. Autonoma de Madrid Ciud�d Universitaria de Canto Blanco, Madrid 28049, Espana [email protected] Costa, David G. Instit,uto de Cienci� Exactas, Universidade de Brasilia 70919 Brasilia, Df, Brasil [email protected] Curto, Raul Department of Mathematics, University of Iowa Iowa City, Iowa 52242, Estados Unidos [email protected] Chanillo, Sagun Dept. of Mathematics, Rutgers University, Busch Campus New Brunswick, NJ 08903, Estados Unidos [email protected] De La Torre, Alberto Dept. de Matern., Fac. de Ciencias, Univ. de Malaga, Campus de Teatinos, 29071 Malaga, Espana Diniz Fernandez, Jose R. Brigadeiro Galvao 43, IME, USP Sao Paulo, Brasil [email protected] Duoandikoetxea, Javier Dpto. de Matematica, Univ. del Pais Vasco, Apartado 644, 48080 Bi l bao Espana [email protected] Elgueta, Manuel Facultad de Matematica Universidad Catolica de Chile Casilla 114-D Santiago, Chile [email protected] Floret, Klaus IMECC-UNICAMP, Univ. Estadllal de Campinas, Caixa Postal 6065, 13081 Carnpinas S.P., Brasil [email protected] Fraenkel, Aviezri Israel, WIC Galina, Ester FAMAF, Universidad Nacional de Cordoba Av. Valparaiso y R. Martinez 5000-COrdoba, Argentina [email protected] secyt!smimaf!postmaster Garcia-Cuerva, Jose Dpto. de Matematica,Fac. de Ciencias, Univ. Autonoma de Madrid Ciudad Universitaria, Canto I31anco 28049 Madrid, Espana [email protected] Gatto, A. Eduardo Department of the Mathematical Sciences, De Paul University, 2219 North Kenmore Avenue, Chicago, Illinois 60614-3504, Estados Unidos [email protected] [email protected] secyt!atina!orion.depaul.edu.matae Gleiser, Reinaldo FAMAF, Univ. Nacional de Cordoba secyt !smimaf!postmaster , Av. Valparaiso y R. Martinez 5000-COrdoba, Argentina v Gohberg. Israel Dept. of Mathematics, Tel Aviv University, Ramat Aviv, Tel-Aviv, Israel [email protected] Gomez Ortega, Jose A. Alconedo [email protected] Gossez, Jean Pierre Dept. de Mathematique, Universite Libre de Bruxelles Campus Plaine c.p. 214, 13-1050 Bruxelles, Belgica Gutierrez, Cristian Dept. of Mathematics, Temple University, Philadelphia, PA 19122,Estados Unidos Holzman, R. Israel, WIC Hounie, Jorge [email protected] Departamento de Matematica, Univ. Federal de Pernambuco, Cidade Universit,aria, 50730 Recife, Pernambuco, Brasil Huotari, Robert Department of Mathematics Idaho State University, Campus Box 8085,Pocatello Idaho 83209/0009, Estados Unidos Idelsohn, Sergio 7-3 , C.P.03930,Mexic.o [email protected] [email protected]'ll.eov GT M-INTEC, Giiemes 3450 Santa Fe, Argentina 3000 Jacovkis, Pablo Fac. de Ciencias Exactas, Univ. Nae. de Buenos Aires, Pabellon I, Ciudad U niver si taria, 1428 Capital Federal, Argentina Kaplan, Aroldo Dept. of Mathern., Amherst College University of Massachusetts, A rnlt ers t. Estados Unidos , [email protected] MA 01002, Kazarian, Kazaros Inst. of Mathematics of the Academy of the Armenian S8ft Marshal Bagramian Av. 24 "13" 37019 Erevan, Armenia Kenig, Carlos Department of Mathematics, U n i versi ty of Chicago, [email protected] Chicago IL 60637,Estados U nidos Lami Dozo, Enrique lAM, Viamonte 1636-10 Piso, 1055 Capital Federal, Argentina secy t!iamba!larni secy t!iamba!postmaster Lima de Sa, Eduardo Res. Union, Ap. 22,40 Av. Los Palos Grandes Caracas, Venezuela, sun!emsca!usb!elima Martin Reyes, Francisco Dpto. de Matematica,Fac. de Cieneias Univ. de Malaga, Campus Tea t.ino s, 29071 Malaga, Espana Martinez Gamba, Irene Mata Lorenzo, Luis Purdue University, 103 Bat.t.lc Rei ]'1'1y, Princeton, NJ, 08.540, Est ad o s LJ niclos Dpto. de Matematica P. y A., Universidad Simon Bolivar Ap. 89000 Caracas 1080-A, Venezuela vi [email protected] [email protected] Mujica. Jorge IMECC-UNICAMP CP 6065 130S1, Campinas SP, Brasil [email protected] Onneweer, Kees Department of Mathematics a.nd Sta.tistics, University of New Mexico, Albuquerque, NM S7106, Estados Unidos [email protected] PaJis, Jacob IMPA-Instituto de Matematica Pura e Aplicada, Estrada Dona Castorina 1l0, Jardim Botanico 22460-Rio de Janeiro, Brasil [email protected] Paques, Otilia IMECC-UNICAMP CP 6065 130S1 Campinas, SP, Brasil [email protected] [email protected] Pedersen, Gert Matematiske Institut, University of Copenhagen Universitetsparken 5 DK-2100 Copenhagen, Dinarnarca [email protected] Pejsachowicz, Jacobo Dipartamento di Matematica, Politecnico di Torino, pejsachowicz@itopoli Corso Duca degli Abruzzi 24 10129 Torino, Italia Perla Menzala, Gustavo Laboratorio Nacional de Computacao Cientifica, Ramel 190, 22290 Rio de Janeiro, RJ Brasil Piovan, Luis Instituto de Matematica (INMABB) Universidad Nac. del Sur, A lern 125:l SOOO-Bahia Blanca, Argent.ina Pita Ruiz, Claudio Gabriel Mancera 333/403 Del Valle, Mexico, D.F. Porta, Horacio Univ. of Illinois, 1409 W. Green, Urbana, Illinois 61S01, Estados Unidos Prolla, Joao IMECC-UNICAMP CP 6065 13081 Campinas, SP, Brasil Putinar, Mihai Dept. of Mathematics, Univ. of California, Riverside, CA. 92521, Est.ados Unidos Reyna, Luis T. J. Watson Research Cent.er, IBM, P.O. Box 21S, IBM Yorktown Height NY 10562, Estados Unidos [email protected] gepm@lncccvm [email protected] [email protected] [email protected] [email protected] Ricci, Fulvio Inst. Politecnico de Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italia fricci@itopoli Rosales, Rodolfo R. 2-337 Dep. of Mathematics, M.I.T.-Massachusetts Institute of Technology, Cambridge, MA 02139, Estados Unidos [email protected] Saal, Linda FAMAF, Universidad Nac. de Cordoba Av. Valparaiso yR. Martinez, 5000-C6rdoba, Argentina secyt!smimaf!postmaster vii Segovia Fernandez, Carlos lnst. Argentino de Matematica, CONICET, Viamonte 1636-1· Piso 1055-Cap. Federal, Argentina secyt!iamba!segovia Suarez, Fernando lAM, Viamonte 1636, 1· Piso, 1055-Capital Federal, Argentina secyt!iamba!postmaster Tabak, Esteban 14 Remington St. Apt. 101, Cambridge, MA 02138, Estados U ni dos [email protected] Taibleson, Mitchell Dept. of Mathematics Washington Univ. in St Louis Campus Box 1146 St. Louis, MO 63130 Estados Unidos [email protected] Tarzia, Domingo Dept. de Matematica, Fac. de Cs. Exactas, Univ. Austral, Paraguay 1940, 2000 Rosario, Argentina Tchamitchian, Philippe CPT-CNRS-LUMINY, 13288 Cedex 9, Francia Marseille, Torres, Rodolfo 3w Magie Apt., Faculty Rd., NJ 08540, Estados Unidos Princeton, Trione, Susan.a Elena lAM, CONICET Viamonte 1636-1· Piso, 1055-Capital Federal, Argentina secyt!iamba!postmaster secyt!iamba!set Turner, Cristina FAMAF, Univ. Nac. de Cordoba, Av. Valparaiso y R. Martinez, 5000-Cordoba, Argentina [email protected] secyt!smimaf!postmaster Vera, Virginia Univ. Nac. de Cuyo, Fac de Cs. [email protected] [email protected] Economicas, R. Rojas 320, 5501-Godoy Cr\jz, Mendoza Argentina Vodop'yanov, Serguei Novosibirsk State University, 630090 Novosibirsk, URSS [email protected] Weder, Ricardo Instituto de Matematicas Univ. Nacional Aut. de Mexico Circuito ext. S /N-Ciudad Universitaria Apartado Postal 20-172 0451O-Mexico, D.F. Mexico weder@unamvm1 Wheeden, Richard Rutgers University, Dept. of Mathematics Busch Campus, New Brusnwick, NJ 08903 Estados Unidos [email protected] viii