Mathematics, Physics, Technical Sciences, Information Science

Volume 14, Number 1

January - March 2013

CONTENTS

 

MATHEMATICS

Mehdi ALAEIYAN, Naimeh ONAGH
A classification of cubic edge-transitive graphs of order 4p3

1

Nahid ASHRAFI, Ebrahim NASIBI
Strongly J-clean group rings

9

Oğuzhan DEMIREL
A characterization of Möbius transformations by use of hyperbolic regular star polygons

13

S. BARZA, A. N. MARCOCI, L. G. MARCOCI, L. E. PERSSON
Optimal estimates in Lorentz spaces of sequences with an increasing weight

20

 

PHYSICS

Alvaro SALAS, Sachin KUMAR, Ahmet YILDIRIM, Anjan BISWAS
Cnoidal waves, solitary waves and Painleve analysis of the 5-th order KDV equation with dual-power law ninlinearity

28

Alexandru NICOLIN
Density waves in dipolar Bose-Einstein condensates

35

J. Juan ROSALES GARCIA , M. GUIA CALDERON, Juan MARTINEZ ORTIZ, Dumitru BALEANU
Motion of a particle in a resisting medium using fractional calculus approach

42

Xiao-Tao XIE, Viorel CIORNEA, Mihai A. MACOVEI
Two-photon quantum dynamics in a nonlinear micromaser

48

 

TECHNICAL SCIENCES

Domnița-Florina FRĂȚILĂ
Research of environment-friendly techniques influence on gear accuracy in context of sustainable manufacturing

56

Ramona GABOR, Jorge F. dos SANTOS
Friction stir welding development of aluminium alloys for structural connections

64

 

INFORMATION SCIENCE

Laurențiu BURDUȘEL
New cryptographic challenges in cloud computing era

72

Horia-Nicolai TEODORESCU, Mariana RUSU
Image segmentation based on G-UN-MMS and heuristics. Theoretical background and results

78

 
 
copyright © Academia Română 2006

copyright © Academia Română 2006