Ali ASHRAFI, Amzi B. JAAFAR, Lai Soon LEE
An enhanced Russell measure of efficiency in the presence of non-discretionary factors in data envelopment analysis

91

Fatemeh ABTAHI, R. Nasr ISFAHANI, A. REJALI
Convolution on weighted Lp - spaces of locally compact groups

97

Houria TRIKI, Ahmet YILDIRIM, T. HAYAT, Omar M. ALDOSSARY, Anjan BISWAS
Topological and non-topological soliton solutions of the Bretherton equation

103

Ioan BALTOG, Mihaela BAIBARAC, Lucian MIHUT, Ion SMARANDA, Serge LEFRANT
Nonlinear optical processes manifesting as Anderson localization of light in mesoscopic materials

109

Iulian LUPEA
Considerations on the Helmholtz resonator - simulation and experiment

118

Ion Rares STANCIU, Gheorghita GINGA, Sebastian MUNTEAN, Liviu Eugen ANTON
Low-speedsmall-load direct torque control ripples filtering

125

Yu ZHOU, Gang KOU, Daji ERGU
Three-grade preventive maintenance decision problem

133

Cristian-Dumitru MASALAGIU , Vasile ALAIB
Logic engineering with applications to security

141

Valentin CRISTEA, Cătălin LEORDEANU
Florin POP, Ciprian DOBRE, E-service security

148

Adriana VLAD, Azeem ILYAS, Adrian LUCA
A closer view of running-key cipher on natural languages and its extension for new applications in cryptography

157

Bogdan GROZA, Marius MINEA, Marius CRISTEA, Pal-Stefan MURVAY, Mihai IACOB
Protocol vulnerabilities in practice : causes, modeling and automatic detection

167

Nicolae CONSTANTINESCU
Security system vulnerabilities

175