Results 81 to 90 of about 350,941 (326)

A New Approach for Generalized Fractal Dimensions Based on Topological Indices for Pyracyclene and Pentahexoctite Networks

IEEE Access
Self-similar molecular structures have been recently become popular due to topological indices, which are numerical parameters for network graphs. Topological indices are essential in chemical network analysis to describe the essential connectivity of ...
K. Yogalakshmi, D. Easwaramoorthy
doaj   +1 more source

Unleashing the Power of Machine Learning in Nanomedicine Formulation Development

Advanced Functional Materials, EarlyView.
A random forest machine learning model is able to make predictions on nanoparticle attributes of different nanomedicines (i.e. lipid nanoparticles, liposomes, or PLGA nanoparticles) based on microfluidic formulation parameters. Machine learning models are based on a database of nanoparticle formulations, and models are able to generate unique solutions
Thomas L. Moore, Cristiano Pesce, Antonietta Greco, Claudia Pisante, Greta Avancini, Valentina Di Francesco, Yosi Shamay, Paolo Decuzzi   +7 more
wiley   +1 more source

Introduction to: Topological degree and fixed point theories in differential and difference equations. [PDF]

Philos Trans A Math Phys Eng Sci, 2021
Pera MP, Spadini M.
europepmc   +1 more source

Topologic degree of some mappings [PDF]

Proceedings of the American Mathematical Society, 1954
1. In previous papers [2; 3], the problem of proving an existence theorem for a certain functional equation was reduced to that of computing the topological degree of a mapping in Euclidean n-space defined by homogeneous polynomials or infinite series. The complex case of the latter problem was solved in [4].
openaire   +1 more source

Computation for Topological Degree and Its Applications

Journal of Mathematical Analysis and Applications, 1996
Let \(A:\overline\Omega\to X\) be a condensing operator, where \(\Omega\) is a bounded open subset of the Banach space \(X\). A new method of computation for topological degree \(\deg(I-A,\Omega,0)=0\) is given and then applied to a class of systems of integral equations.
Jingxian, Sun, Xiaoying, Liu
openaire   +2 more sources

Electrically Tunable On‐Chip Topological Photonics with Integrated Carbon Nanotubes

Advanced Functional Materials, EarlyView.
This work demonstrates electrically tunable on‐chip topological THz devices by integrating 2D carbon nanotube (CNT) sheets with valley‐Hall photonic crystals, enabling broadband transmission modulation (71% modulation depth) and tunable narrowband filtering (0.54 GHz shift) through electrically induced thermal tuning. This advancement paves the way for
Jifan Yin, Wenhao Wang, Thomas Caiwei Tan, Abhishek Kumar, Ridong Jia, Nikhil Navaratna, Ranjan Singh, Lijuan Xie   +7 more
wiley   +1 more source

Periodic positive solutions of superlinear delay equations via topological degree. [PDF]

Philos Trans A Math Phys Eng Sci, 2021
Amster P, Benevieri P, Haddad J.
europepmc   +1 more source

Covalent Organic Frameworks for Water Sorption: The Importance of Framework Physical Stability

Advanced Functional Materials, EarlyView.
This study explores the water‐vapor stability of 2D covalent organic frameworks (COFs) with varying pore sizes. Results reveal microporous COFs demonstrate superior stability compared to mesoporous ones, despite lower water uptake. Mesoporous keto‐enamine‐linked COFs show enhanced stability due to intralayer hydrogen bonds, confirmed by simulations and
Wei Zhao, He Li, Bui Duc Thuan, Weidong Chen, Qiang Zhu, Mounib Bahri, Boyu Li, Kexin Yu, Chengjun Kang, Ting Chen, Zekun Wang, Nigel D. Browning, Kian Jon Chua, Dan Zhao   +13 more
wiley   +1 more source

Ambrosetti-Prodi problem with degenerate potential and Neumann boundary condition

Electronic Journal of Differential Equations, 2018
We study the degenerate elliptic equation $$ -\hbox{div}(|x|^\alpha\nabla u) =f(u)+t\phi(x)+h(x) $$ in a bounded open set $\Omega$ with homogeneous Neumann boundary condition, where $\alpha\in(0,2)$ and f has a linear growth.
Dusan D. Repovs
doaj  

Extremal Topological Indices with Prescribed Degree Sequences

Vestnik KRAUNC: Fiziko-Matematičeskie Nauki
This paper explores the extremal properties and bounds of two significant topological indices in graph theory: the Albertson and Sigma indices, with an emphasis on trees and bipartite graphs.
Hamoud, J., Belov, A.Ya.
doaj   +1 more source