##### Hacettepe Journal of Mathematics and Statistics
Aim & Scope Author Guidelines Last Issue Archive Editorial Board Contact
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!

Issues
Volume 48 - Issue 5 - Oct 2019
1. Soft topology in ideal topological spaces
Pages 1277 - 1285
2. Quasi-$n$-absorbing and semi-$n$-absorbing preradicals
Pages 1286 - 1303
Hojjat Mostafanasab, Ahmad Yousefian Darani
3. Resultants of quaternion polynomials
Pages 1304 - 1311
Xiangui Zhao, Yang Zhang
4. Trigonometrically-fitted higher order two derivative Runge-Kutta method for solving orbital and related periodical IVPs
Pages 1312 - 1323
N. A. Ahmad, N. Senu, F. Ismail
5. Stability analysis for some numerical schemes of partial differential equation with extra measurements
Pages 1324 - 1335
Nazi Abdollahi, Davood Rostamy
6. Simple continuous modules
Pages 1336 - 1344
Yongduo Wang
7. Representation for the reproducing kernel Hilbert space method for a nonlinear system
Pages 1345 - 1355
Esra Karatas Akgül, Ali Akgül, Yasir Khan, Dumitru Baleanu
8. Approximation by $p-$Faber-Laurent rational functions in doubly-connected domain
Pages 1356 - 1366
9. On generalized Mathieu series and its companions
Pages 1367 - 1387
P. Cerone, C. Lenard
10. Group-2-groupoids and 2G-crossed modules
Pages 1388 - 1397
Nazmiye Alemdar, Sedat Temel
11. Common fixed point theorems for $(\psi, \varphi)$-weak contractive conditions in metric spaces
Pages 1398 - 1408
Y. Mahendra Singh, G. A. Hirankumar Sharma, M. R. Singh
12. Investigation of an impulsive Sturm-Liouville operator on semi axis
Pages 1409 - 1416
Şeyhmus Yardımcı, İbrahim Erdal
13. A fitted approximate method for a Volterra delay-integro-differential equation with initial layer
Pages 1417 - 1429
Gabil M. Amiraliyev, Ömer Yapman, Mustafa Kudu
14. On the locally socle of $C(X)$ whose local cozeroset is cocountable (cofinite)
Pages 1430 - 1436
Somayeh Soltanpour
15. Proximately chain refinable functions
Pages 1437 - 1442
Abdulla Buklla, Gjorgji Markoski
16. Quantale-valued uniform convergence towers for quantale-valued metric spaces
Pages 1443 - 1453
Gunther Jäger
17. On divided and regular divided rings
Pages 1454 - 1460
18. Existence and multiplicity of weak solutions for gradient-type systems with oscillatory nonlinearities on the Sierpiński gasket
Pages 1461 - 1478
Haiffa Muhsan B. Alrikabi, Ghasem A. Afrouzi, Mohsen Alimohammady
19. $MS$-intervals of an $MS$-algebra
Pages 1479 - 1487
20. Bayesian analysis for lognormal distribution under progressive Type-II censoring
Pages 1488 - 1504
Sukhdev Singh, Yogesh Mani Tripathi, Shuo-Jye Wu
21. Simultaneous confidence intervals for all differences of coefficients of variation of log-normal distributions
Pages 1505 - 1521
W. Thangjai, S. Niwitpong, S. Niwitpong
22. Homogeneous imputation under two phase probability proportional to size sampling
Pages 1522 - 1546
Muhammad Umair Sohail, Javid Shabbir, Cem Kadilar
23. A random decision for testing of the homogeneity of normal means against the tree order alternative
Pages 1547 - 1559