Open Access
Research Article·pp. 1733–1752·Vol. 29, Issue 6Jun 2026
Mohamed Ali Hammami, Hanen Damak, Nizar Hadj Taieb
Published Online: 14 Feb 2026DOI: 10.47974/JIM-2241 In this paper: The present research proposes new requirements for practical 𝓗-stability in non-autonomous nonlinear systems. We introduce new converse Lyapunov theorems specifically for these types of systems. To an...
Open Access
Review Article·pp. 1753–1763·Vol. 29, Issue 6Jun 2026
Stefan M. Stefanov
Published Online: 05 Mar 2026DOI: 10.47974/JIM-2262 In this paper: The concepts of cones, polar cones, double polar cones, and pointed cones are introduced. Some properties of these cones are proved, and the topic of representation of convex cones is discussed.
Open Access
Research Article·pp. 1765–1770·Vol. 29, Issue 6Jun 2026
Sushil Shukla, Ayush Ojha, Shubham Kumar
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2317 In this paper: In this paper, properties of totally geodesic submanifolds of Lorentzian Sasakian manifolds are discussed.
Open Access
Research Article·pp. 1771–1793·Vol. 29, Issue 6Jun 2026
Rihab Guedri
Published Online: 05 Mar 2026DOI: 10.47974/JIM-2271 In this paper: This paper investigates generalized Hewitt-Stromberg (H-S) measures, focusing on how they behave in product sets. These sets are part of a special type of space called separable metric spaces. The goa...
Open Access
Research Article·pp. 1795–1803·Vol. 29, Issue 6Jun 2026
J. Jayaprakash, V. Govindan
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2312 In this paper: This manuscript focuses on the leading-edge accretion and heat absorption performance of Casson fluids in rolling mills. Casson fluid flow associated with leading-edge accretion is used to understand...
Open Access
Research Article·pp. 1805–1817·Vol. 29, Issue 6Jun 2026
Shamli Sharma, Kuldip Katiyar
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2316 In this paper: A new class of zipper rational quintic fractal interpolation function (ZRQFIF) characterized by two shape parameters has been introduced. Further, we discuss the convergence of this function and to en...
Open Access
Research Article·pp. 1819–1824·Vol. 29, Issue 6Jun 2026
Stefan M. Stefanov
Published Online: 05 Mar 2026DOI: 10.47974/JIM-2264 In this paper: The concepts of separability, proper separability, and strict separability and related concepts are considered in this paper. Some properties of these sets are proved, and applications are considered.
Open Access
Research Article·pp. 1825–1834·Vol. 29, Issue 6Jun 2026
Bamadev Sahoo, Shruti Tomar, Rohit Maheshwari, Sunita Chand, Ambit K. Pany, Sanjaya K. Mohanty
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2318 In this paper: In this investigation, we have studied the application of the bifurcation theory for the Schamel Korteweg-de Vries (SKdV) equation with force term. The equation has essential repercussions in engineer...
Open Access
Research Article·pp. 1835–1847·Vol. 29, Issue 6Jun 2026
S. Sahu, S. K. Sunanda
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2319 In this paper: We establish new weighted Hardy-type inequalities involving the Diamond-alpha derivative within time scales calculus, unifying discrete and continuous settings. By introducing weight functions, we gen...
Open Access
Research Article·pp. 1849–1859·Vol. 29, Issue 6Jun 2026
Golak Bihari Panda, Saroj Kanta Misra
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2320 In this paper: Given a pair of perspective tetrahedron (A) and (B) where the vertex Bi is on the opposite face of Ai the center and plane of perspectivity are called the pole and polar of each other respectively for...
Open Access
Research Article·pp. 1861–1878·Vol. 29, Issue 6Jun 2026
Chandra Sekhar Sahoo, Bharat Keshari Swain, Manjula Das
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2321 In this paper: This study investigates the magnetohydrodynamic (MHD) flow of a hybrid nanofluid between two rotating plates within a porous medium, using blood as the base fluid with gold and silver nanoparticles. T...
Open Access
Research Article·pp. 1879–1896·Vol. 29, Issue 6Jun 2026
Balaram Pradhan, Apul N. Dev, Manoj K. Deka
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2322 In this paper: In this paper, the effect of electrons and positrons trapping on positive and negative ions are analysed in collision-less magnetised system. Relying on the widely used reductive perturbation techniqu...
Open Access
Research Article·pp. 1897–1908·Vol. 29, Issue 6Jun 2026
Y. N. Voronova, G. Arora, O. V. Kravchenko
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2323 In this paper: The orthonormal basis of Haar wavelets with both scale 2 and 3 is a useful tool in various scientific and engineering problems. Simultaneously, applications often require solutions that involve functi...
Open Access
Research Article·pp. 1909–1917·Vol. 29, Issue 6Jun 2026
Abderrazek Benhassine
Published Online: 03 Apr 2026DOI: 10.47974/JIM-2332 In this paper: This paper investigates a class of nonsmooth dynamical p-Laplacian systems and establishes the existence of infinitely many homoclinic solutions-solutions that vanish at infinity. The main novelty lie...
Open Access
Research Article·pp. 1919–1933·Vol. 29, Issue 6Jun 2026
N. Kalaivani
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2409 In this paper: An innovative collection of openR setsR, specifically αγos-openR setsR are offered by this paper authors and its rudimentary properties utilizing the respective τγos-interiorR and τγos- closureR opera...
Open Access
Research Article·pp. 1935–1948·Vol. 29, Issue 6Jun 2026
K. Fayaz Ur Rahman, N. Kalaivani
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2410 In this paper: The conception belonging to fuzzy sets was proposed by Zadeh [25]. Subsequently, the fuzzy sets along with the concept of fuzzy logic are used extensively in various applications implicating uncertain...
Open Access
Research Article·pp. 1949–1967·Vol. 29, Issue 6Jun 2026
Anupam Mittal, Kanwardeep Singh
Published Online: 22 May 2026DOI: 10.47974/JIM-2416 In this paper: This paper presents an innovative two-level optimization framework for optimal placement of distributed generators (DGs) in competitive electricity markets, with a focus on mitigating market power and...
Open Access
Research Article·pp. 1969–1980·Vol. 29, Issue 6Jun 2026
Ravinder Kumar, Virendra Singh Chouhan, Virath Singh
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2434 In this paper: In this paper, we study the approximate solutions of the second-order fractional Bratu-type equation. In order to find a solution, we examine by the homotopy perturbation transform method (HPTM) using...
Open Access
Research Article·pp. 1981–1990·Vol. 29, Issue 6Jun 2026
N. Radhika, R. Archana Reddy, G. Rajitha, P. Latha Madhuri
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2435 In this paper: The study evaluates how dissipation influences wave phenomena through a visco-poroelastic sandy layer and a visco-poroelastic semi-infinite half-space where initial stress exists. The model includes a...
Open Access
Research Article·pp. 1991–2009·Vol. 29, Issue 6Jun 2026
R. Narmada Devi, Yamini Parthiban, S. Padmapriya, G. Muthumari
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2445 In this paper: This paper gives a detail exploration of neutrosophic over soft orbit Open Set using neutrosophic over soft topological space by introducing its fundamental concepts and theorem-purveying. The framewo...
Open Access
Research Article·pp. 2011–2025·Vol. 29, Issue 6Jun 2026
N. Parida, S. K. Parida, D. C. Nayak
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2462 In this paper: Hybrid nanofluids (HNFs), due to their superior thermal conductivity and heat transfer performance compared to conventional fluids and simple nanofluids, have attracted increasing attention in diverse...
Open Access
Research Article·pp. 2027–2047·Vol. 29, Issue 6Jun 2026
Shahram Najafi, Ahmad Moussavi, Peter Danchev
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2571 In this paper: In this paper, we investigate the structural and characterizing properties of the so-called 2-UQ rings, that are rings such that the square of every unit is the sum of an idempotent and a quasi-nilpot...
Open Access
Research Article·pp. 2049–2065·Vol. 29, Issue 6Jun 2026
Sumit Kumar, Harish Nagar, Sangeeta Kumari
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2583 In this paper: This research investigates how surface waves propagate within a hygro-thermoelastic medium under the influenced by rotation, magnetic field and hydrostatic initial stress. The wave equations, which ar...
Open Access
Research Article·pp. 2067–2078·Vol. 29, Issue 6Jun 2026
Reetik Kumar Das, Golak Bihari Panda, Saroj Kanta Misra
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2666 In this paper: A matrix of order three is used to represent a triangle for real projective space of dimension two, here vertices of the triangle’s with respect to a frame of reference are represented as rows of a m...
Open Access
Research Article·pp. 2079–2087·Vol. 29, Issue 6Jun 2026
Stalin Thangamani, Jeno Francis Devadoss
Published Online: 30 Jun 2026DOI: 10.47974/JIM-2668 In this paper: This research article investigates two subclasses of bi-univalent functions associated with (s, t)-Lucas polynomials in 𝔻. It intriguing since they are fundamental to geometric function theory. To und...