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Academic Articles & Research Papers
Showing 20 of 757 academic articles
Gengyang Li, Mason Peng, Qingguo Huang, Ching-Hua Huang et al. • Frontiers in Environmental Engineering
(2025)
Per- and polyfluoroalkyl substances (PFAS) have drawn public concern recently due to their toxic properties and persistence in the environment, making it urgent to eliminate PFAS from contaminated water. Electrochemical oxidation (EO) has s...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fenve.2025.1568542
Gheorghe Roșian, Mihai Buta, Csaba Horvath • Applied Sciences
(2026)
Land leveling deep-seated landslides for agricultural use alters soil profile integrity and soil functionality. In the mid-20th century, such interventions in the Transylvanian Basin (Romania) involved grading and converting landslide bodie...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/app16083744
Asadi, M. • Caspian Journal of Environmental Sciences
(2016)
Nowadays it is very desirable to investigate and discover new antibacterial and antioxidant agents from natural
products and medicinal plants. The current study was conducted to examine the antimicrobial and antioxidant
properties of an e...
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Open Access (DOAJ)
Weicai Peng, Jie Liu, Yongchao Hou, Peishu Chen et al. • Journal of Inequalities and Applications
(2016)
Abstract In this paper, a kind of infinite, local finite tree T, named a controlled tree, is introduced. Some strong limit properties, such as the strong law of large numbers and the asymptotic equipartition property, for nonhomogeneous Mar...
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Open Access (DOAJ)
DOI: 10.1186/s13660-016-1019-y
Randal S. Olson, Zachary P. Neal • PeerJ Computer Science
(2015)
In the massive online worlds of social media, users frequently rely on organizing themselves around specific topics of interest to find and engage with like-minded people. However, navigating these massive worlds and finding topics of speci...
DOAJ
Open Access (DOAJ)
DOI: 10.7717/peerj-cs.4
Kshitij RB Singh, Parikipandla Sridevi, Ravindra Pratap Singh • Engineering Reports
(2020)
Abstract Peptide Nucleic Acid (PNA) are DNA/RNA synthetic analogs with 2‐([2‐aminoethyl] amino) acetic acid backbone. They partake unique antisense and antigene properties, just due to its inhibitory effect on transcription and translation;...
DOAJ
Open Access (DOAJ)
DOI: 10.1002/eng2.12238
Sezer Erdem, Serkan Demiriz • Universal Journal of Mathematics and Applications
(2025)
The primary objective of this study is to construct a novel double sequence space by utilizing the domain of a 4-dimensional (4D) matrix in the space $\mathcal{L}_u$ of the absolutely summable double sequences defined via the well-known Ca...
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Open Access (DOAJ)
DOI: 10.32323/ujma.1734157
Hajime Ishihara • Philosophia Scientae
(2006)
We will overview the results in an informal approach to constructive reverse mathematics, that is reverse mathematics in Bishop’s constructive mathematics, especially focusing on compactness properties and continuous properties....
OPENALEX
Open Access
DOI: https://doi.org/10.4000/philosophiascientiae.406
Elisa Atza, Rob Klooster, Falko Hofstra, Frank van der Werff et al. • Scientific Reports
(2025)
Abstract The vigor of potato plants is of crucial importance for potato seed producers, who are interested in predicting it at scale by exploiting the dependence of plant growth and development on the origin and physiological state of the s...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-025-13024-0
I.D. Mayergoyz • IEEE Transactions on Magnetics
(1986)
A new approach to the scalar Preisach model of hysteresis, which emphasizes its phenomenological nature and mathematical generality, is described. The theorem, which gives the necessary and sufficient conditions for the representation of ac...
OPENALEX
DOI: https://doi.org/10.1109/tmag.1986.1064347
Darman Agung Sandakila, Gracetia Devita Hadi, Riska Gultom, Seni Samalele et al. • Aceh Journal of Animal Science
(2024)
The Black Soldier Fly (Hermetia illucens L.) or BSF is one of a group of insects that has a length of 15-20 mm originating from America. The larvae of the BSF has a high protein content (44.26%), which has great potential in treating wound ...
DOAJ
Open Access (DOAJ)
DOI: 10.13170/ajas.9.3.42024
Demetrios L. Antzoulakos • International Journal of Mathematics and Mathematical Sciences
(2004)
The extended Fibonacci sequence of numbers and polynomials
is introduced and studied. The generating function,
recurrence relations, an expansion in terms of multinomial
coefficients, and several properties of the extended Fibonacci
numbers...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/S016117120440458X
Xingyu Yan, Xiaolong Pu, Yingchun Zhou, Xiaolei Xun • Statistical Theory and Related Fields
(2020)
The unified weighing scheme for the local-linear smoother in analysing functional data can deal with data that are dense, sparse or of neither type. In this paper, we focus on the convergence rate of functional principal component analysis ...
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Open Access (DOAJ)
DOI: 10.1080/24754269.2019.1656048
Long Chen, Kaimin Cheng, Tingting Wang • Journal of Mathematics
(2020)
Let p be an odd prime number and n be a positive integer. Let vpn, N∗, and Q+ denote the p-adic valuation of the integer n, the set of positive integers, and the set of positive rational numbers, respectively. In this paper, we introduce an...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2020/1894162
Yurong Dong, Hua Liu, Jianhua Ye, Gang Ma et al. • Axioms
(2025)
In this paper, an eco-epidemiological model with a weak Allee effect and prey disease dynamics is discussed. Mathematical features such as non-negativity, boundedness of solutions, and local stability of the feasible equilibria are discusse...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/axioms14070531
Hilary Putnam • Cambridge University Press eBooks
(1979)
Introduction 1. Truth and necessity in mathematics 2. The thesis that mathematics is logic 3. Mathematics without foundations 4. What is mathematical truth? 5. Philosophy of physics 6. An examination of Grunbaum's philosophy of geometry 7. ...
OPENALEX
DOI: https://doi.org/10.1017/cbo9780511625268
Ünsal Tekir, Suat Koç, Rashid Abu-Dawwas, Eda Yıldız • Cubo
(2022)
In this paper, we introduce and study graded weakly 1-absorbing prime ideals in graded commutative rings. Let $G$ be a group and $R$ be a $G$-graded commutative ring with a nonzero identity $1\neq0$. A proper graded ideal $P$ of $R$ is call...
DOAJ
Open Access (DOAJ)
DOI: 10.56754/0719-0646.2402.0291
Bin Qin, Peng Chen • Electronic Journal of Differential Equations
(2014)
By using the genus properties, we establish some criteria
for the second-order p(t)-Laplacian system
$$
\frac{d}{dt}\big(|\dot{u}(t)|^{p(t)-2}\dot{u}(t)\big)-a(t)|u(t)|^{p(t)-2}u(t)
+\nabla W(t, u(t))=0
$$
to have at least one, and i...
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Open Access (DOAJ)
S Campbell, L Mazzola, G De Chiara, T J G Apollaro et al. • New Journal of Physics
(2013)
We perform an extensive study of the properties of global quantum correlations in finite-size one-dimensional quantum spin models at finite temperature. By adopting a recently proposed measure for global quantum correlations (Rulli and Sara...
DOAJ
Open Access (DOAJ)
DOI: 10.1088/1367-2630/15/4/043033
Syafitri Hidayahningrum, Noor Hidayat, Marjono Marjono • JTAM (Jurnal Teori dan Aplikasi Matematika)
(2023)
In this article, we present the structure of η-intuitionistic fuzzy ring. An η-intuitionistic fuzzy ring is a structure which is built with combinating the definition of fuzzy ring, intuitionistic fuzzy set, and η-intuitionistic fuzzy set. ...
DOAJ
Open Access (DOAJ)
DOI: 10.31764/jtam.v7i1.11833