Abbas, S., Benchohra, M and Krim, S.: Initial value problems for Caputo-Fabrizio implicit fractional differential

      equations in b-metric spaces ..................................................................................................................................................................

1

Achache, M. and Anane. N.: On unique solvability and Picard’s iterative method for absolute value equations ..........................

13

Asad, J., Jarrar, R., Khalilia, H., Mallak, S. and Shanak, H.: The mechanics of the vibrating triangle system ...............................

27

Badiger, C. and Venkatesh, T.: A regular Lie group action yield smooth sections of the tangent bundle and

      relatedness of vector fields, diffeomorphisms ...................................................................................................................................

39

Benaissa Cherif, A., Fethallah, M. and Ladrani, F.Z. : Oscillation theorems for fourth-order hybrid nonlinear Functional  

      dynamic equations with damping .........................................................................................................................................................

53

Dancev, P.V.: Quasi invo-clean rings .........................................................................................................................................................

71

Djaa, N.E., Mohamed Cherif, A. and Zegga, K.: Monotonicity formulae and F-stress energy ...............................................

81

Dragomir, S. S.: Some inequalities of Jensen-Mercer type for convex functions on linear spaces ..............................................

97

Ghanbari, R., Ghorbani-Moghadam, K. and Nezhadhosein, S.: A numerical indirect method for solving a class of

      optimal control problems .......................................................................................................................................................................

109

Golzarpoor, J., Mehrpooya, M. and Mehrshad, S.: Pseudo-valuations on commutative BE-algebras ...........................................

129

Goyal, A., Pandey, G., Pandey, M.K. and Raghuwanshi, T.: On generalized pseudo-projective curvature tensor of

      para-Kenmotsu manifolds ......................................................................................................................................................................

143

Kim, S.G.: Geometry of bilinear forms on the plane with the octagonal norm ...................................................................................

161

Mostefaoui, A. and Sidhoumi, N.: Symmetries of four-dimensional Lorentzian Damek-Ricci spaces .........................................

191

Ojha, D. and Srivastava, R.: An evaluation of weighted polynomial interpolation with certain conditions on the

      roots of Hermite polynomial ..............................................................................................................................................................

209

Popov, I., Trifanova, E. and Vorobiev, A.: 2D waveguides: asymptotics of eigenvalue induced by a window in a

      semitransparent separating wall ...........................................................................................................................................................

221

Talpau Dimitriu, M.: Preservation of Lipschitz constants by some generalized Baskakov and Szász-Mirakjan

        operators ..............................................................................................................................................................................................

231

Sharma, A.: Pointwise PR-pseudo slant submanifolds of para-Kähler manifolds ..................................................................

241

BULLETIN OF THE TRANSILVANIA UNIVERSITY OF BRASOV •  VOL. 1(63) No. 1 - 2021

SERIES III  -   MATHEMATICS AND COMPUTER SCIENCE, ISSN 2810-2029 (Print), ISSN 2810-2037 (CD-ROM), ISSN-L 2810-2029

COMPUTER SCIENCE

Ciupala, L., Deaconu, A. and Spiridon, D.: IDW map builder and statistics of air pollution in Brasov ............................................