Results 141 to 150 of about 149,795 (313)

A Canonical Form for Unit Root Processes in the State Space Framework [PDF]

open access: yes
In this paper we develop a canonical state space representation for rational stochastic processes containing unit roots with integer integration orders at arbitrary points on the unit circle.
Martin Wagner, Dietmar Bauer
core  

Microstructure, Thermal Transport, and Dry‐Sliding Tribology of Powder‐Metallurgy Al7075 Composites Reinforced With Sol–Gel‐Derived ZnO–rGO Hybrid Nanoparticles

open access: yesAdvanced Engineering Materials, EarlyView.
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal   +3 more
wiley   +1 more source

The Focal Locus of a Riemannian 4-Symmetric Space

open access: yes, 1988
compact Riemannian 4-symmetric space M can be regarded as a fibre bundle over a Riemannian 2-symmetric space with totally geodesic fibres isometric to a 2-symmetric space. Here the result of R.
J. Alfredo Jimenez
core   +1 more source

Advanced Electron Microscopy and Microcomputed Tomography Analysis of Single‐Crystal Ni‐Base Superalloys After Short‐Term Multiaxial Creep

open access: yesAdvanced Engineering Materials, EarlyView.
This work studies the anisotropic behavior of circular notched tensile specimens of Ni‐base superalloy single crystals during high‐temperature tensile creep along [001], [110], and [111]. Correlative scale‐bridging imaging of specimens reveals early rupture along [110] because 1) plastic deformation proceeds faster at notch center; 2) more (brittle ...
Leonardo Agudo Jácome   +6 more
wiley   +1 more source

Caps on Bidding in All-Pay Auctions: Comments on the Experiments of A. Rapoport and W. Amaldoss. [PDF]

open access: yes
In an article published in this journal, Rapoport and Amaldoss (2000, Journal of Economic Behavior and Organization, 42, 483-521) analyze symmetric and asymmetric investment games similar to two-player all-pay auctions with bid caps.
Kovenock, Dan   +2 more
core  

Paley-wiener theorems on a symmetric space and their application

open access: yes, 1991
Paley-Wiener theorems for some types of function spaces on a Riemannian symmetric space are proved. As an application, results on the solvability of a single differential equation on a symmetric space are ...
Wakayama, Masato   +2 more
core   +1 more source

Design and Analysis of Compression–Torsion Coupling Metamaterials Using the Golden Section Method

open access: yesAdvanced Engineering Materials, EarlyView.
A novel compression–torsion metamaterial is engineered using inclined rods and symmetry breaking. To optimize its torsional performance, the golden section method is employed. The mechanical response of the metamaterial is validated through both numerical analysis and experimental validation.
Amirhossein Hassani, Sara Bagherifard
wiley   +1 more source

Semi-symmetric $\frak P$-spaces

open access: yes, 1994
summary:We determine explicitly the local structure of a semi-symmetric $\frak P ...
Boeckx, Eric
core  

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