Study-type determinants and their properties

JOURNAL ARTICLE published 1 January 2019 in Cogent Mathematics & Statistics

Authors: Naoya Yamaguchi

Editors: Lishan Liu

Maximum nullity and zero forcing number of graphs with rank at most 4

JOURNAL ARTICLE published 1 January 2018 in Cogent Mathematics & Statistics

Authors: Ebrahim Vatandoost | Katayoun Nozari

Editors: Hari M. Srivastava

Commentary on S. Kumar and P. Chhaparwal, 2016. A robust unbiased dual to product estimator for population mean through Modified Maximum Likelihood in simple random sampling, Cogent Mathematics, 3:1168070

JOURNAL ARTICLE published 1 January 2019 in Cogent Mathematics & Statistics

Authors: Evrim Oral | Ece Oral

Editors: Guohua Zou

Stochastic outlook of two non-identical unit parallel system with priority in repair

JOURNAL ARTICLE published 1 January 2018 in Cogent Mathematics & Statistics

Authors: Pramendra Singh Pundir | Rohit Patawa | Puneet Kumar Gupta

Editors: Hiroshi Shiraishi

Fixed point results for generalized rational Geraghty contractive mappings in extended b-metric spaces

JOURNAL ARTICLE published 1 January 2018 in Cogent Mathematics & Statistics

Authors: Vahid Parvaneh | Zoran Kadelburg | R. J. Shahkoohi | Hasan Hosseinzadeh

Editors: Lishan Liu

Correction

JOURNAL ARTICLE published 1 January 2019 in Cogent Mathematics & Statistics

A note on lower nil M-Armendariz rings

JOURNAL ARTICLE published 1 January 2018 in Cogent Mathematics & Statistics

Authors: Sushma Singh | Om Prakash

Editors: Lishan Liu

Existence of solutions for the infinite systems of integral equations in the space L^∞(∂ⁿ)

JOURNAL ARTICLE published 1 January 2020 in Cogent Mathematics & Statistics

Research funded by Miyaneh Branch, Islamic Azad University (1534189084)

Authors: Ayub Samadi | Shahram Banaei

Editors: Hari M. Srivastava

On the positivity, excitability and transparency properties of a class of time-varying bilinear dynamic systems under multiple point internal and external delays

JOURNAL ARTICLE published 1 January 2018 in Cogent Mathematics & Statistics

Authors: M. De la Sen

Editors: Peiguang Wang

F-cone metric spaces over Fréchet algebra

JOURNAL ARTICLE published 1 January 2020 in Cogent Mathematics & Statistics

Authors: Hamid Mehravaran | Reza Allahyari | Hojjatollah Amiri Kayvanloo

Editors: Hari M. Srivastava

Existence of infinitely many solutions for a class of difference equations with boundary value conditions involving p(k)-Laplacian operator

JOURNAL ARTICLE published 1 January 2018 in Cogent Mathematics & Statistics

Research funded by Sari Agricultural Sciences and natural Resources University, 578 Sari, Iran (05-1395-04)

Authors: M. Khaleghi Moghadam

Editors: Lishan Liu

Probability density and stochastic stability for the coupled Van der Pol oscillator system

JOURNAL ARTICLE published 1 January 2018 in Cogent Mathematics & Statistics

Research funded by Alexander von Humboldt Foundation of Germany (CHN/1163390) | National Natural Science Foundation of China (61374080,11602098) | Natural Science Foundation of Jiangsu Province (BK20161552)

Authors: Shenghong Li | Quanxin Zhu

Editors: Zudi Lu

A hybrid direction algorithm for solving optimal control problems

JOURNAL ARTICLE published 1 January 2019 in Cogent Mathematics & Statistics

Authors: Mohamed Abdelaziz Zaitri | Mohand Ouamer Bibi | Mohand Bentobache

Editors: Cedric K.F. Yiu

Design of multiple-deferred state sampling plans for exponentiated half logistic distribution

JOURNAL ARTICLE published 1 January 2020 in Cogent Mathematics & Statistics

Authors: Gadde Srinivasa Rao | K. Rosaiah | CH. Ramesh Naidu

Editors: Guohua Zou

Some fuzzy fixed point results for fuzzy mappings in complete b-metric spaces

JOURNAL ARTICLE published 1 January 2018 in Cogent Mathematics & Statistics

Research funded by Rajamangala University of Technology Thanyaburi (2561) | Theoretical and Computational Science (TaCS) Center under Computational and Applied Science for Smart Innovation Cluster (2561) | KMUTT 55th Anniversary Commemorative Fund (2561)

Authors: Wiyada Kumam | Pakeeta Sukprasert | Poom Kumam | Abdullah Shoaib | Aqeel Shahzad | Qasim Mahmood

Editors: Hari M. Srivastava

Maximum nullity of some Cayley graphs

JOURNAL ARTICLE published 1 January 2018 in Cogent Mathematics & Statistics

Authors: E. Vatandoost | Y. Golkhandy Pour

Editors: Lishan Liu

Lipschitz isomorphism and fixed point theorem for normed groups

JOURNAL ARTICLE published 1 January 2020 in Cogent Mathematics & Statistics

Research funded by National Natural Science Foundation of China (11971493)

Authors: Muhammad Sarfraz | Fawad Ali | Yongjin Li

Editors: Hari M. Srivastava

On some classes of hypergroups

JOURNAL ARTICLE published 1 January 2018 in Cogent Mathematics & Statistics

Research funded by Vali-e-Asr University of Rafsanjan (Aghabozorgi)

Authors: H. Aghabozorgi | M. Jafarpour | B. Davvaz

Editors: Hari M. Srivastava

Some fixed point theorems for convex contractive mappings in complete metric spaces with applications

JOURNAL ARTICLE published 1 January 2019 in Cogent Mathematics & Statistics

Authors: Kanayo Stella Eke | Victoria Olusola Olisama | sheila Amina Bishop

Editors: Lishan Liu

A trivariate Bernoulli regression model

JOURNAL ARTICLE published 1 January 2018 in Cogent Mathematics & Statistics

Research funded by University Grants Commission, Bangladesh (3293)

Authors: M. Ataharul Islam