Number 4/2000

CONTENTS:

• Vasile GUI, Irene GUI
  Nonlinear Image Enhancement by Randomized Local Clustering
  p. 305
  
  
• Viorel IONESCU, Adrian MIHALACHE
  Optimal Planning For Quality in E-Commerce Sites
  p. 321
  
  
• Madhu MUTYAM, Kamala KRITHIVASAN
  Inter-Membrane Communication in P Systems
  p. 335
  
  
• Gabriel MOAGAR-POLADIAN
  A Novel Type of Thresholding Element
  for Optoelectronic Neurons
  p. 353
  
  
• Costantin POPESCU
  An Efficient Group Blind Signature Scheme Based
  on the Strong RSA Assumption
  p. 365
  
  
• Ileana POPESCU
  Generating Order Statistics from a Beta Population
  p. 375
  
  
• Book Reviews

.