INGRID DAUBECHIES Program for Applied & Computational Mathematics, Princeton University, Fine Hall, Washington Road, Princeton, N.J. 08544-1000, USA IGOR GUSKOV Program for Applied & Computational Mathematics, Princeton University, Fine Hall, Washington Road, Princeton, N.J. 08544-1000, USA PETER SCHRODER Dept. of Computer Science, California Institute of Technology, Pasadena, CA 91125, USA WIM SWELDENS Lucent Technologies, Bell Laboratories, 600 Mountain Avenue, Murray Hill, NJ 07974, USA A.ARNEODO Centre de Recherche Paul Pascal, Avenue Schweitzer, 33600, Pessac, France S. MANNEVILLE Laboratoire Ondes et Acoustique, ESPCI, 10 rue Vauquelin, 75005 Paris, France J.F. MUZY Centre de Recherche Paul Pascal, Avenue Schweitzer, 33600, Pessac, France S.G.ROUX NASA Goddard Space Flight Center, Climate & Radiation Branch (Code 913), Greenbelt, MD 20771, USA F.NICOLLEAU Dept. of Applied Maths & Theoretical Physics, University of Cambridge, Silver Street, Cambridge, CB3 9EW J.C. VASSILICOS, Dept. of Applied Maths & Theoretical Physics, University of Cambridge, Silver Street, Cambridge, CB3 9EW BERNARD W. SILVERMAN Dept of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW IAIN M. JOHNSTONE Dept of Statistics, Sequoia Hall, Stanford University, Stanford, CA 94305, USA EMMANUEL J. CANDES Dept of Statistics, Stanford University, Stanford, CA 94305-4065, USA DAVID L. DONOHO Dept of Statistics, Stanford University, Stanford, CA 94305-4065, USA GUY P. NASON Dept of Maths, University of Bristol, University Walk, Bristol BS8 1TW RAINER VON SACHS Institute of Statistics, Catholic University of Louvain, Louvain-la-Neuve, Belgium D.J. FIELD Uris Hall, Cornell University, Ithaca, NY 14853, USA NICK KINGSBURY Signal Processing Group, Dept of Engineering, University of Cambridge, Cambridge CB2 1PZ UE-LI PEN Canadian Inst for Theoretical Astrophysics, Toronto University, 60 St George Street, Toronto, Canada M5S 3H8 PAOLO PRANDONI Laboratory for Audio-Visual Communications, Swiss Federal Inst of Tech, CH-1005 Lausanne, Switzerland MARTIN VETTERLI Laboratory for Audio-Visual Communications, Swiss Federal Inst of Tech, CH-1005 Lausanne, Switzerland or Dept of Electrical Engineering & Computer Sciences, University of California, Berkeley, CA 94720, USA JAMES B. RAMSEY Dept of Economics, New York University, 269 Mercer Street, New York, NY 10003, USA DAVID E. NEWLAND Dept of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ