Results 51 to 60 of about 2,113,622 (297)
Activity autocorrelation in financial markets. A comparative study between several models
, 2003 We study the activity, i.e., the number of transactions per unit time, of financial markets. Using the diffusion entropy technique we show that the autocorrelation of the activity is caused by the presence of peaks whose time distances are distributed ...
Allegrini +20 more
core +1 more source
Empirical Likelihodd Methods for an AR(1) process with ARCH(1) errors [PDF]
, 2006 For an AR(1) process with ARCH(1) errors, we propose empirical likelihood tests for testing whether the sequence is strictly stationary but has infinite variance, or the sequence is an ARCH(1) sequence or the sequence is an iid sequence.
Klüppelberg, Claudia, Peng, Liang
core +2 more sources
Bistable Mechanisms 3D Printing for Mechanically Programmable Vibration Control
Advanced Engineering Materials, EarlyView.This work introduces a 3D‐printed bistable mechanism integrated into tuned mass dampers (TMDs) for mechanically adaptive passive vibration suppression. Through optimized geometry, the bistable design provides adaptable vibration reduction across a broad range of scenarios, achieving effective vibration mitigation without complex controls or external ...
Ali Zolfagharian +4 more
wiley +1 more source
ANALYTICAL MODEL OF THE BEHAVIOUR A MASONRY STRUCTURE REINFORCED WITH COMPOSITE MATERIALS
e-Zbornik. Elektronički Zbornik Radova Građevinskog Fakulteta, 2021 The paper presents an attempt to describe and adapt models of work of masonry structures subjected to reinforcement treatments with composite materials. The formation of a particular failure model is related to the type of reinforcement and its location (
Lukasz J. Bednarz +2 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar +6 more
wiley +1 more source
Price Volatility of Horticulture Commodity During the Pandemic in East Java, Indonesia
Habitat, 2023 In the past two years, market information and the distribution of agricultural products have been affected by the COVID-19 pandemic, which has limited the distribution of information and the movement of agricultural products.
Rachman Hartono +3 more
doaj +1 more source
Deployable Arches Based on Regular Polygon Geometry [PDF]
, 2017 This paper discusses a deployable-arch-structure design that is built using articulated bars, commonly called a scissor-system, and is based on the regular polygon geometry.
Peña Villamil, Diana Maritza +1 more
core +1 more source
Harnessing Fungal Biowelding for Constructing Mycelium‐Engineered Materials
Advanced Engineering Materials, EarlyView.Mycelium‐bound composites (MBCs) offer low‐carbon alternatives for construction, yet interfacial bonding remains a critical challenge. This review examines fungal biowelding as a biocompatible adhesive, elucidating mycelium‐mediated interfacial mechanisms and their role in material assembly. Strategies to optimize biowelding are discussed, highlighting
Xue Brenda Bai +2 more
wiley +1 more source
BarekengStock potentially yields higher returns than other investments, but is riskier due to volatile prices. To minimize the risk of loss, investors can forecast the stock price to help in deciding whether to buy, sell, or hold the stock.
Edwin Setiawan Nugraha, Celine Alvina
doaj +1 more source
The combined effects of salivas and occlusal indicators on occlusal contact forces [PDF]
, 2019 Background Some occlusal detection products are designed for use on dry teeth, but this is not always achieved. Others are suited for dry and wet applications.
Beninati, Christopher J. +1 more
core +1 more source