Proceedings of the Romanian Academy

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


Journal published by the Romanian Academy

Volume 25, Number 1
January - March 2024
29.03.2024

MATHEMATICS

Ahmed SAOUDI, Imen KALLEL, A variation of Lp local uncertainty principles for Weinstein transform

3

Wenbo WANG, Some remarks on the magnetic field operators \nabla±iA and its applications

11

Dan POLIŠEVSKI, Alina ŞTEFAN, Heat transfer with interfacial barrier in a fine scale mixture of two highly different conductive materials

19

Akshay KUMAR, Seema KUSHWAHA, Sumit Kumar UPADHYAY, A realistic notion of a right gyrogroup action

27

Fanjie XU, Jiangtao SHI, Mengjiao SHAN, Finite groups in which every non-nilpotent maximal invariant subgroup of order divisible by p is a TI-subgroup

35

TECHNICAL SCIENCES

Murat KAYA, Şükrü KAYA, Exergy efficiency and heat transfer from the condenser in heat pump systems

39

Mirela-Mădălina BIVOLARU, A comparative analysis of path planning algorithms for unmanned aerial vehicles

45

Miroslav S. MILIĆEVIĆ, Valentina M. NEJKOVIĆ, Implementation of optimal HF welding procedure of steel pipes for high-quality and energy-efficient welds

55

Mustafa ÖZDEMİR, Levent KARAKAYA, Path and trajectory planning of a RPRPR planar parallel robot for prevention of high-order singularities

65

INFORMATION SCIENCE

Xiaolong TIAN, Fazhan TAO, Zhumu FU, Shuzhong SONG, Nan WANG, Disturbance observer-based fixed time control for bidirectional DC-DC converter with input voltage and load uncertainty

75

Proc. Ro. Acad., Series A, Volume 25, No. 1, pp. 1–86, Bucharest, 2024







ISSN: 1454-9069 (both print and electronic)