Results 51 to 60 of about 134,237 (204)

Price Appreciation and Roughness Duality in Bitcoin: A Multifractal Analysis

Mathematics, 2021
Since its launch in 2009, bitcoin has thrived, attracting the attention of investors, regulators, academia, and the public in general. Its price dynamics, characterized by extreme volatility, severe jumps, and impressive long-term appreciation, suggest ...
Cristiana Vaz, Rui Pascoal, Helder Sebastião   +2 more
doaj   +1 more source

Marine Functional Connectivity Contributes to Ecosystem Functioning Across Multiple Scales

Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 9, September 2026.
ABSTRACT The passive transport and active movements of marine organisms between habitats and ecosystems, known as marine functional connectivity, play a critical role in the functioning of marine ecosystems. However, marine functional connectivity, particularly at large spatial scales, is often understudied, and consequently tends to be overlooked in ...
Lucía López‐López, Konstantina Agiadi, Francisco R. Barboza, Andreu Blanco, Federica Costantini, Antonio Di Franco, Carolina Giraldo, Katell Guizien, Tamar Guy‐Haim, Cintia O. Quintana, Audrey Darnaude, Miguel Cabanellas‐Reboredo, Andrea Campos‐Candela, Fábio L. Matos, Ángel Pérez‐Ruzafa, Andreas Reul, Gil Rilov, Vincent Rossi, Enrico Ser‐Giacomi, Ester Serrao, Anna M. Sturrock, Susanne Tanner, Ant Türkmen, Manuel Hidalgo   +23 more
wiley   +1 more source

Revisiting efficiency in MENA stock markets during political shocks: evidence from a multi-step approach

Heliyon, 2021
In this paper, we attempt to investigate the efficiency of emerging stock markets by considering the advent of dramatic country-specific events. In other words, we analyze and rank the weak-form efficiency levels of emerging stock markets based on a ...
Besma Hkiri, Azza Béjaoui, Cheima Gharib, Hashem A. AlNemer   +3 more
doaj   +1 more source

Graph Neural Network‐Based Prediction of Building Energy Consumption

Energy Science &Engineering, Volume 14, Issue 9, Page 4486-4507, September 2026.
A graph neural network that encodes a multi‐zone building as a graph accurately predicts hourly cooling and heating loads across three distinct climates, outperforming Random Forest and XGBoost baselines and serving as a fast surrogate to EnergyPlus simulations for scalable building energy management.
Ali Maboudi Reveshti, Jamal Dabbagh, Jhila Nasiri Reveshti, Karim Farajeyan Bonab, Farid Hosseini Mansoub   +4 more
wiley   +1 more source

Fractal templates in the Quran: hierarchical multifractality and long-range memory in the semantic structure of Surat Yasin

Cogent Arts & Humanities
This study investigates whether a canonical text exhibits inherent complexity signatures in its semantic organization, bridging quantitative linguistics and nonlinear science.
Kaouther Zenati, Sabri Barbaria, Abdullah M. Iliyasu, Hanene Boussi Rahmouni   +3 more
doaj   +1 more source

Exploratory Analysis of Sustainable Consumption and Production Factors in Services: Insights From Four Case Studies Using Interpretive Structural Modeling

Sustainable Development, Volume 34, Issue 5, Page 6408-6450, September 2026.
ABSTRACT This study investigates how 14 sustainable consumption and production (SCP) factors interact across four service categories—Mass Service, Professional Service, Service Factory, and Service Shop—using interpretive structural modeling (ISM). ISM enables the identification and hierarchical classification of interdependencies among SCP factors in ...
Amanda Duarte Feitosa, Fagner José Coutinho de Melo, André Philippi Gonzaga de Albuquerque, Naia Antunis de Rezende, Denise Dumke de Medeiros   +4 more
wiley   +1 more source

1‐Aryl‐6,7‐Dimethoxy‐3,4‐Dihydroisoquinoline‐2(1H)‐Sulfonamides as hCA XII Selective Inhibitors: Experimental and Theoretical Studies to Interrogate the Isoform Selectivity

ChemMedChem, Volume 21, Issue 14, 29 July 2026.
Experimental and theoretical studies have disclosed the more relevant structural requirements for effective inhibition and an impressing selectivity toward tumor‐expressed hCA XII isoform over hCA II. Human carbonic anhydrase XII (hCA XII) represents an important pharmacological target for different types of cancer.
Federico Ricci, Anna Di Fiore, Andrea Angeli, Laura De Luca, Francesca Mancuso, Davide Esposito, Giuseppina De Simone, Claudiu T. Supuran, Rosaria Gitto   +8 more
wiley   +1 more source

Volatility analysis and forecasting of vegetable prices using an ARMA‐GARCH model: An application of the CF filter and seasonal adjustment method to Korean green onions

Agribusiness, Volume 42, Issue 3, Page 869-885, Summer 2026.
ABSTRACT The vegetable market experiences significant price fluctuations due to the complex interplay of trend, cyclical, seasonal, and irregular factors. This study takes Korean green onions as an example and employs the Christiano–Fitzgerald filter and the CensusX‐13 seasonal adjustment methods to decompose its price into four components: trend ...
Yiyang Qiao, Byeong‐il Ahn
wiley   +1 more source

A Dual-Stream Deep Learning Framework Fusing Fractional-Order and Multifractal Features for Bridge Damage Detection

Algorithms
Deep learning has shown promise for vibration-based damage detection, yet its practical deployment is hindered by data scarcity, environmental sensitivity, and limited interpretability.
Shuai Teng, Qinghua Xu, Zhifang Sun, Xiaosan Yin, Yingjie Wang   +4 more
doaj   +1 more source

Investigation of the Implications of “Haze Special Law” on Air Quality in South Korea

Complexity, 2020
In this work, the air pollution index in three cities (Seoul, Busan, and Daegu) in South Korea was studied using multifractal detrended fluctuation analysis (MF-DFA).
Jian Wang, Junseok Kim, Wei Shao
doaj   +1 more source