30.03.2021 No. 1 No. 2 No. 3 No. 4

Mathematics, Physics, Technical Sciences, Information Science

Volume 22, Number 1

January - March 2021

contents

 

 MATHEMATICS

 
     
1. Sizhong ZHOU, A Fan-type result for the existence of restricted fractional (g; f)-factors 3
     
2. Sorin MICU, Constantin NIȚĂ, Laurențiu Emanuel TEMEREANCĂ, Null-controllability properties of the heat equation with memory 11
     
3. Szymon IGNACIUK, Maciej PAROL, A gap condition for the zeros of a certain class of finite products 19
     
 

 PHYSICS

 
     
4. L. ION, S. IFTIMIE, A. RADU, V.A. ANTOHE, O. TOMA, S. ANTOHE, Physical properties of rf-sputtered ZnSe thin films for photovoltaic applications: influence of film thickness 27
     
5. Faezeh JENABI OSKOUEI, Mohammad KHORRAMI, Amir Ali MASOUDI, Capacitance of a parallel-plate capacitor with rough plates 37
     
 

 TECHNICAL SCIENCES

 
     
6. M. JAFARI, M.H.B. CHALESHTARI, E.M. CRACIUN, Ant lion optimizer: A novel strategy for global engineering optimization of stress in infinite perforated composite plates subject to heat flux 45
     
7. Nicolae PANDREA, Ionut-Bogdan DRAGNA, Nicolae-Doru STANESCU, On the simultaneous multi-point collision of the rigid solid 55
     
8. Bingbing QI, Xiaoguang LI, Huansheng ZHANG, Xiaobo ZHANG, A real-time adaptive bottom tracking extracting method for bathymetric side-scan sonar 63
     
9. Faping LI, Zhengming YANG, Shan LI, An investigation of mechanical strength and hydration mechanism of cement mortars with silicane 73
     
10. S. Seckin EROL, Michael PECHT, Condition monitoring of a worm-type gearbox in terms of tribo-prognostics through vibro-thermal analysis 83
     
 

 INFORMATION SCIENCE

 
     
11. Robert BOTEZ, Iustin-Alexandru IVANCIU, Calin-Marian IURIAN, Virgil DOBROTA, Quantum implementation of the Modified Dijkstra’s Routing Algorithm 91
     
12. Carmen GRIGORAȘ, Victor GRIGORAȘ, Discrete implementation of chaotic encryption system 99
     
     
 

 

 
 

Proc. Ro. Acad., Series A, Volume 22, No. 1, pp. 1–x, Bucharest, 2021

 
 

 

 
 
copyright © Academia Română 2006

copyright © Academia Română 2006