Volume 68, No. 2, June 2023

STUDIA UBB MATHEMATICA, Volume 68 (LXVIII), No. 2, June 2023

Volume 68, No. 2, June 2023, ISSUE DOI: 10.24193/subbmath.2023.2.
Also, the volume can be found in the Archive of the Studia UBB Mathematica official website: https://www.cs.ubbcluj.ro/~studia-m/index.php/journal.

DOI: https://doi.org/10.24193/10.24193/subbmath.2023.2

Published: 2023-06-14

Full Issue

Articles

On a generalization of the Wirtinger inequality and some its applications

Latifa AGAMALIEVA, Yusif S. GASIMOV, Juan E. NÁPOLES-VALDES

237-247
- pdf
Sufficient conditions for univalence obtained by using the Ruscheweyh-Bernardi differential-integral operator

Georgia Irina OROS

249-260
- pdf
An upper bound of the Hankel determinant of third order for the inverse of reciprocal of Bounded turning functions

Deekonda VAMSHEE KRISHNA, Shalini DASUMAHANTHI

261-268
- pdf
On the order of convolution consistence of certain classes of harmonic functions with varying arguments

Grigore Ștefan SĂLĂGEAN, Ágnes Orsolya PÁLL-SZABÓ

269-278
- pdf
Certain sufficient conditions for φ -like functions in a parabolic region

Hardeep KAUR, Richa BRAR, Sukhwinder Singh BILLING

279-293
- pdf
Growth properties of solutions of linear difference equations with coefficients having φ -order

Nityagopal BISWAS, Pulak SAHOO

295-306
- pdf
Extension operators and Janowski starlikeness with complex coefficients

Andra MANU

307-317
- pdf
Necessary and sufficient conditions for oscillation of second-order differential equation with several delays

Shyam SUNDAR SANTRA

319-330
- pdf
An algorithm for solving a control problem for Kolmogorov systems

Alexandru HOFMAN

331-340
- pdf
Strongly quasilinear parabolic systems

Farah BALAADICH, Elhoussine AZROUL

341-357
- pdf
Generalized result on the global existence of positive solutions for a parabolic reaction diffusion model with a full diffusion matrix

Nabila BARROUK, Salim MESBAHI

359-373
- pdf
Exponential growth of solutions with Lₚ-norm of a nonlinear viscoelastic wave equation with strong damping and source and delay terms

Abdelbaki CHOUCHA , Djamel OUCHENANE

375–385
- pdf
A coupled system of fractional difference equations with anti-periodic boundary conditions

Jagan Mohan JONNALAGADDA

387–398
- pdf
Statistical Korovkin-type theorem for monotone and sublinear operators

Ionu¸t T. IANCU

399–408
- pdf
A new class of Bernstein-type operators obtained by iteration

Radu PĂLTĂNEA, Mihaela SMUC

409–422
- pdf
An extension of Krasnoselskii’s cone fixed point theorem for a sum of two operators and applications to nonlinear boundary value problems

Lyna BENZENATI, Karima MEBARKI

423–438
- pdf
Four-dimensional Riemannian product manifolds with circulant structures

Iva DOKUZOVA

439–448
- pdf
Around metric coincidence point theory

Ioan A. RUS

449–463
- pdf

Volume 68, No. 2, June 2023

Full Issue

Articles

On a generalization of the Wirtinger inequality and some its applications

Sufficient conditions for univalence obtained by using the Ruscheweyh-Bernardi differential-integral operator

An upper bound of the Hankel determinant of third order for the inverse of reciprocal of Bounded turning functions

On the order of convolution consistence of certain classes of harmonic functions with varying arguments

Certain sufficient conditions for φ -like functions in a parabolic region

Growth properties of solutions of linear difference equations with coefficients having φ -order

Extension operators and Janowski starlikeness with complex coefficients

Necessary and sufficient conditions for oscillation of second-order differential equation with several delays

An algorithm for solving a control problem for Kolmogorov systems

Strongly quasilinear parabolic systems

Generalized result on the global existence of positive solutions for a parabolic reaction diffusion model with a full diffusion matrix

Exponential growth of solutions with Lₚ-norm of a nonlinear viscoelastic wave equation with strong damping and source and delay terms

A coupled system of fractional difference equations with anti-periodic boundary conditions

Statistical Korovkin-type theorem for monotone and sublinear operators

A new class of Bernstein-type operators obtained by iteration

An extension of Krasnoselskii’s cone fixed point theorem for a sum of two operators and applications to nonlinear boundary value problems

Four-dimensional Riemannian product manifolds with circulant structures

Around metric coincidence point theory

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