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29.06.2020 No. 1 No. 2 No. 3 No. 4

Mathematics, Physics, Technical Sciences, Information Science
Volume 21, Number 2

April - June 2020

contents

 

 MATHEMATICS

  
     
1. Piotr JÊDRZEJEWICZ, An analog of Molien’s formula for gradings 95
     
2. Mounir HSINI, Nawal IRZI, Khaled KEFI, On a fractional problem with variable exponent 105
     
3. Sizhong ZHOU, Hongxia LIU, Yang XU, Binding numbers for fractional (a;b;k)-critical covered graphs 115
     
4. Liliana RESTUCCIA, Lidia PALESE, Maria Teresa CACCAMO, Alessio FAMÀ, A description of anisotropic porous nanocrystals filled by a fluid flow in the framework of extended thermodynamics with internal variables 123
     
 

 PHYSICS

  
     
5. Marina-Aura DARIESCU, Ciprian DARIESCU, Cristian STELEA, Heun solutions for Dirac fermions in black strings backgrounds 131
     
6. Bingbing QI, Xiaoguang LI, Huansheng ZHANG, Research on methods of choosing planar near-field acoustic holographic regularization parameters 137
     
 

 TECHNICAL SCIENCES

  
     
7. E.-M. CRACIUN, Sachin KUMAR, Prashant PANDEY, Subir DAS, Numerical solution of two dimensional reaction-diffusion equation using operational matrix method based on Genocchi polynomial - Part II: Error bound and stability analysis 147
     
8. Costin Ioan COȘOIU, Andrei Mugur GEORGESCU, Mircea DEGERATU, Alexandru Cezar VLĂDUȚ, Elena-Alexandra CHIULAN, Numerical predictions of the flow around a small ducted wind turbine equipped with passive flow control devices 155
     
9. Adriana Sida MANEA, Sebastian MUNTEAN, Daniel Cătălin STROIȚĂ, Analytical approach and numerical methodology validated against experimental data on S shape airfoil for wide flow angles of attack 163
     
10. Ligia MUNTEANU, Cristian RUGINA, Ciprian DRAGNE, Veturia CHIROIU, On the robotic control based on interactive activities of subjects 173
     
 

 INFORMATION SCIENCE

  
     
11. Mihai NEGHINĂ, Lucian VINȚAN, Apparent front ranking: A novel population ranking method for genetic multi-objective algorithms 179
     
12. Pengfei XU, Yinjie JIA, Blind source separation based on source number estimation and fast-ICA with a novel non-linear function 187
     
     
 

 

  
 

Proc. Ro. Acad., Series A, Volume 21, No. 2, pp. 93-194, Bucharest, 2020

  
 

 

  
 
copyright © Academia Română 2006

copyright © Academia Română 2006