ROMANIAN ACADEMY
MATHEMATICAL REPORTS
VOL. 19(69) • No. 3 • 2017
CONTENTS
Marjan SHEIBANI ABDOLYOUSEFI and Huanyin CHEN
Extension of square stable exchange rings
O.T. MEWOMO
Note on character amenability in Banach algebras
Leyun WU and Pengcheng NIU
Harnack inequalities for weighted subelliptic
P
-Laplace equations constructed by Hörmander vector fields
M. Kafi MOGHADAM, A.R. JANFADA and M. MIRI
A note on the Birkhoff-James orthogonality in the operator algebras on Hilbert spaces
Shapour HEIDARKHANI, Massimiliano FERRARA and Amjad SALARI
Infinitely many solutions for a class of perturbed damped vibration problems