Proceedings of the Romanian Academy

Series A: Mathematics, Physics, Technical Sciences, Information Science


Journal published by the Romanian Academy

Volume 25, Number 2
April - June 2024
30.06.2024

MATHEMATICS

Enrique CASTAÑEDA-ALVARADO, Pablo MÉNDEZ-VILLALOBOS, Means on dendroids

89

Hongxia LIU, Xiaogang PAN, On perfect 2-matching uniform graphs

95

Fengyu XUE, Commutators for the fractional maximal and sharp functions on total Morrey spaces

103

PHYSICS

Renata JORA, A compact expression for the supersymmetric Lagrangian

111

M.R. SANAD, Physical meaning of Planck’s constant

115

TECHNICAL SCIENCES

Kamel BOUARAOUR, Mohamed LEBBI, Numerical investigation of hybrid nanofluid flow in a lid driven cavity with a heated obstaclex

119

Sofiane OUALI, Fuel-air ratio effect on hydrogen-methane flames in a high pressure burner for gas turbines

129

Fang HUANG, Shuaiqian WANG, Mengyao HOU, Zijing DI, Guoqin LIU, Morphology, mechanical properties and thermal behaviour of Poly(Methyl MethAcrylate-CO-N-Vinyl-2-Pyrrolidone)/Poly(Ethylene Glycol)/Multi-Walled Carbon Nanotubes nanocomposites

139

INFORMATION SCIENCE

Jiadong CUI, Gan ZHAO, Huibin QIN, Yongzhu HUA, Improved Newton-Raphson method with simplified Jacobian matrix and optimized iteration rate for power flow calculation of power system

147

Xu ZHANG, Qingchun ZHENG, Peihao ZHU, Yangyang ZHAO, Jiwei LIU, Weld image segmentation in industrial smoke scene

157

Proc. Ro. Acad., Series A, Volume 25, No. 2, pp. 87–164, Bucharest, 2024







ISSN: 1454-9069 (both print and electronic)