Vol 40, No 13 (2026)

Table of Contents

Extremal Results for the General Reduced Second Zagreb Index and Sombor-Type Indices on Trees
Milan Bašić
POINTWISE HEMI-SLANT CONFORMAL SUBMERSIONS FROM KENMOTSU MANIFOLDS
cenap ozel, meraj ali khan, MOHAMMAD SHUAIB
$*$-conformal $\eta$-Ricci soliton on Lorentzian para-Sasakian manifolds
Lalit Kumar, Abhishek Singh, Rajendra Prasad
Riesz properties of a generalized Fredholm operator in a right quaternionic Hilbert space
monia boudhief
On the class of demi-U-Dunford-Pettis operators
Issam ouba, Larbi Zraoula, Bouazza El Wahbi, Elmostafa Bendib
Non-abelian extensions and Wells exact sequences of Hom-Lie algebras with derivations
Wen Teng
Further results on one-sided (b; c)-inverses
Liang Zhao
Module-theoretic Bott-Duffin and outer generalized invertibility
Tugba Pakel, Burcu Ungor, Handan Kose, Sait Halicioglu, Abdullah Harmanci
On matrices of closed balls
Patrícia Beites, Alejandro Nicolás, José Vitória
Axiomatic characterizations of metric-based L-fuzzy variable precision rough set
Yaoliang Xu, Wei Yao, Lingqiang Li
Ideal structure with new categories of generalized topological spaces
Hossam Khiamy, Salah El-Din Abbas, El- Sayed El-Sanowsy, ismail ibedou
Decay estimates and limit behaviour of fractional fourth Schr\"odinger Equation
Nguyen Duc Phuong, Vu Thi Phuong
On new strong convergence result for solving the triple-hierarchical constrained optimization problem
Wutiphol Sintunavarat, Shrijana Dhakal
WELL-POSED AND LIMIT PROBLEM FOR NONLINEAR DAMPED WAVE EQUATION
Le Dang Khoa, Nguyen Duc Phuong
ON THE STABILITY OF A DEGENERATE AND SINGULAR VIBRATING EQUATION UNDER FRACTIONAL DERIVATIVE CONTROLS
noureddine mouslim
A NOTE ON LOCALLY COMPACT REGIONALLY COMPACT-BY-ABELIAN GROUPS
Marwa GOUIAA