Results 51 to 60 of about 109,458 (256)

Corrections to the Emergent Canonical Commutation Relations Arising in the Statistical Mechanics of Matrix Models [PDF]

open access: yes, 1997
We study the leading corrections to the emergent canonical commutation relations arising in the statistical mechanics of matrix models, by deriving several related Ward identities, and give conditions for these corrections to be small.
Adler, Stephen L., Kempf, Achim
core   +2 more sources

Primary Tumor Resection in Patients With Unresectable Metastatic Colorectal Cancer: A Systematic Review and Meta‐Analysis

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
This systematic review and meta‐analysis evaluated the role of primary tumor resection (PTR) in asymptomatic patients with unresectable metastatic colorectal cancer. Across 17 eligible studies including 9317 patients, PTR did not improve overall or progression‐free survival compared with chemotherapy alone.
Junpei Takashima   +3 more
wiley   +1 more source

The Liberian Truth and Reconciliation Commission: reconciling or re-dividing Liberia? [PDF]

open access: yes, 2010
After 14 years of civil war and violence followed by the momentous and rather unusual elections of 2005, in which a woman defeated a footballer for the presidency, Liberia has seen over six years of state reconstruction and relative peace.
Harris, David, Lappin, Richard
core  

Fluctations and noise in time-resolved light scattering experiments : measuring temporally heterogeneous dynamics

open access: yes, 2004
We use Time Resolved Correlation (TRC), a recently introduced light scattering method, to study the dynamics of a variety of jammed, or glassy, soft materials.
Ballesta, Pierre   +4 more
core   +4 more sources

Two-Flavor Lattice QCD with a Finite Density of Heavy Quarks: Heavy-Dense Limit and "Particle-Hole" Symmetry [PDF]

open access: yes, 2015
We investigate the properties of the half-filling point in lattice QCD (LQCD), in particular the disappearance of the sign problem and the emergence of an apparent particle-hole symmetry, and try to understand where these properties come from by studying
de Forcrand, Philippe   +1 more
core   +1 more source

Factorization Machine‐Based Active Learning for Functional Materials Design with Optimal Initial Data

open access: yesAdvanced Intelligent Discovery, EarlyView.
This work investigates the optimal initial data size for surrogate‐based active learning in functional material optimization. Using factorization machine (FM)‐based quadratic unconstrained binary optimization (QUBO) surrogates and averaged piecewise linear regression, we show that adequate initial data accelerates convergence, enhances efficiency, and ...
Seongmin Kim, In‐Saeng Suh
wiley   +1 more source

Innovative and cost-effective rail track construction using recycled rubber

open access: yesRailway Engineering Science
Facing the high demand for faster and heavier freight trains in Australia, researchers and practitioners are endeavouring to develop more innovative and resilient ballasted tracks. In recent years, many studies have been conducted by the researchers from
Buddhima Indraratna   +4 more
doaj   +1 more source

Retinal Vessel Segmentation: A Comprehensive Review From Classical Methods to Deep Learning Advances (1982–2025)

open access: yesAdvanced Intelligent Systems, EarlyView.
Four decades of retinal vessel segmentation research (1982–2025) are synthesized, spanning classical image processing, machine learning, and deep learning paradigms. A meta‐analysis of 428 studies establishes a unified taxonomy and highlights performance trends, generalization capabilities, and clinical relevance.
Avinash Bansal   +6 more
wiley   +1 more source

Microstructure, tensile and fatigue properties of high strength Al 7075 alloy manufactured via twin-roll strip casting

open access: yesJournal of Materials Research and Technology, 2020
High strength Al 7075 alloy was manufactured via twin-roll strip casting (TRC) process, and its microstructure, tensile and fatigue properties were investigated.
Min-Seok Baek, Kwangjun Euh, Kee-Ahn Lee
doaj   +1 more source

Dramatic robustness of a multiple delay dispersed interferometer to spectrograph errors: how mixing delays reduces or cancels wavelength drift [PDF]

open access: yes, 2016
We describe demonstrations of remarkable robustness to instrumental noises by using a multiple delay externally dispersed interferometer (EDI) on stellar observations at the Hale telescope. Previous observatory EDI demonstrations used a single delay. The
Edelstein, J.   +7 more
core   +2 more sources

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