##### Hacettepe Journal of Mathematics and Statistics
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ISSN 2651-477X | e-ISSN 2651-477X | Period Bimonthly | Founded: 2002 | Publisher Hacettepe University |

(Formerly: Hacettepe Bulletin of Natural Sciences and Engineering - Series B)

Hacettepe Journal of Mathematics and Statistics is an international peer-reviewed open access journal (with no article processing/publishing charge) devoted to the publication of original research papers and occasional surveys of a suitably high standard, written in English, on all aspects of Mathematics and Statistics. Papers on the interface between Mathematics and Statistics are particularly welcome, including applications to Physics, Actuarial Sciences, Finance and Economics.

Starting August 2018, all submissions will be handled by Dergipark's online submission system. Starting October 2018, Hacettepe Journal of Mathematics and Statistics will be published only electronically.

## Hacettepe Journal of Mathematics and Statistics

ISSN 2651-477X | e-ISSN 2651-477X | Period Bimonthly | Founded: 2002 | Publisher Hacettepe University |

(Formerly: Hacettepe Bulletin of Natural Sciences and Engineering - Series B)

Hacettepe Journal of Mathematics and Statistics is an international peer-reviewed open access journal (with no article processing/publishing charge) devoted to the publication of original research papers and occasional surveys of a suitably high standard, written in English, on all aspects of Mathematics and Statistics. Papers on the interface between Mathematics and Statistics are particularly welcome, including applications to Physics, Actuarial Sciences, Finance and Economics.

Starting August 2018, all submissions will be handled by Dergipark's online submission system. Starting October 2018, Hacettepe Journal of Mathematics and Statistics will be published only electronically.

Early Pub Issues
2021
Issues
Volume 50 - Issue 1 - Feb 4, 2021
1. A new class of generalized polynomials involving Laguerre and Euler polynomials
Pages 1 - 13
Nabiullah KHAN, Talha USMAN, Junesang CHOİ
2. On the trace of powers of square matrices
Pages 14 - 23
Kailash PATİL
3. The multiplicative norm convergence in normed Riesz algebras
Pages 24 - 32
Abdullah AYDIN
4. Sharp upper bounds of $A_\alpha$-spectral radius of cacti with given pendant vertices
Pages 33 - 40
Shaohui WANG, Chunxiang WANG, Jia-bao LİU
5. The nil-clean $2\times 2$ integral units
Pages 41 - 45
Grigore CALUGAREANU
6. New Wilker-type and Huygens-type inequalities
Pages 46 - 62
Ling ZHU, Branko MALESEVİC
7. Some Laplace transforms and integral representations for parabolic cylinder functions and error functions
Pages 63 - 78
Dirk VEESTRAETEN
8. Mean value theorem and semigroups of operators for interval-valued functions on time scales
Pages 79 - 91
Yonghong SHEN
9. Depth and Stanley depth of the edge ideals of the strong product of some graphs
Pages 92 - 109
10. Rings whose total graphs have small vertex-arboricity and arboricity
Pages 110 - 119
Morteza FATEHİ, Kazem KHASHYARMANESH, Abbas MOHAMMADİAN
11. Quasi regular modules and trivial extension
Pages 120 - 134
Chillumuntala JAYARAM, Ünsal TEKİR, Suat KOÇ
12. Connections on the rational Korselt set of $pq$
Pages 135 - 143
Nejib GHANMİ
13. Addendum to Ideal Rothberger spaces" [Hacet. J. Math. Stat. 47(1), 69-75, 2018]
Pages 144 - 145
Manoj BHARDWAJ
14. On new classes of chains of evolution algebras
Pages 146 - 158
15. Numerical investigation of dynamic Euler-Bernoulli equation via 3-Scale Haar wavelet collocation method
Pages 159 - 179
Ömer ORUÇ, Alaattin ESEN, Fatih BULUT
16. On monotonic and logarithmic concavity properties of generalized $k$-Bessel function
Pages 180 - 187
İbrahim AKTAŞ
17. A fixed point result for semigroups of monotone operators and a solution of discontinuous nonlinear functional-differential equations
Pages 188 - 198
Nabil MACHRAFI
18. Weighted variable exponent grand Lebesgue spaces and inequalities of approximation
Pages 199 - 215
İsmail AYDIN, Ramazan AKGÜN
19. Rota-Baxter bialgebra structures arising from (co-)quasi-idempotent elements
Pages 216 - 223
Tianshui MA, Jie Lİ, Haiyan YANG
20. A higher version of Zappa products for monoids
Pages 224 - 234
Ahmet Sinan ÇEVİK, Suha WAZZAN, Fırat ATEŞ
21. Some characterizations of rectifying curves in the 3-dimensional hyperbolic space $\mathbb H^{3}(-r)$
Pages 235 - 242