Results 31 to 40 of about 17,345 (180)

Quantum groups, Yang-Baxter maps and quasi-determinants

open access: yes, 2017
For any quasi-triangular Hopf algebra, there exists the universal R-matrix, which satisfies the Yang-Baxter equation. It is known that the adjoint action of the universal R-matrix on the elements of the tensor square of the algebra constitutes a quantum ...
Tsuboi, Zengo
core   +3 more sources

Closed formula for the matrix elements of the volume operator in canonical quantum gravity [PDF]

open access: yes, 1996
We derive a closed formula for the matrix elements of the volume operator for canonical Lorentzian quantum gravity in four spacetime dimensions in the continuum in a spin-network basis.
Ashtekar A., T. Thiemann
core   +2 more sources

Soft Skills of Czech Graduates

open access: yesReview of Economic Perspectives, 2018
Finding a job is easier for people who are better equipped with soft skills, as they are more productive. Therefore, this article deals with the evaluation of soft skills of graduates from Czech public universities.
Balcar Jiří   +2 more
doaj   +1 more source

The Quantum Group Structure of 2D Gravity and Minimal Models II: The Genus-Zero Chiral Bootstrap

open access: yes, 1993
The F and B matrices associated with Virasoro null vectors are derived in closed form by making use of the operator-approach suggested by the Liouville theory, where the quantum-group symmetry is explicit.
Bo-yu Hou   +19 more
core   +1 more source

Growth prospects for the silver economy in the market segment of residential care services provided to dependent elderly people

open access: yesEconomics and Business Review
The aim of this study is to characterise the determinants of the development of the silver economy in the field of care services provided in a residential form for dependent elderly persons in Poland.
Iwański Rafał
doaj   +1 more source

Artificial Intelligence and Employment: New Cross-Country Evidence

open access: yesFrontiers in Artificial Intelligence, 2022
Recent years have seen impressive advances in artificial intelligence (AI) and this has stoked renewed concern about the impact of technological progress on the labor market, including on worker displacement.
Alexandre Georgieff, Raphaela Hyee
doaj   +1 more source

Three Charge Supertubes and Black Hole Hair [PDF]

open access: yes, 2004
We construct finite size, supersymmetric, tubular D-brane configurations with three charges, two angular momenta and several brane dipole moments. In type IIA string theory these are tubular configurations with D0, D4 and F1 charge, as well as D2, D6 and
Bena, Iosif, Kraus, Per
core   +1 more source

Perceptual Priors Update Contextual Feedback Processing in V1

open access: yesTopics in Cognitive Science, EarlyView.
Abstract Contextual information and prior knowledge facilitate perceptual processing, improving our recognition of even distorted or obstructed visual inputs. As a result, neuronal processing elicited by identical sensory inputs varies depending on the context in which we encounter those inputs.
Yulia Y. Lazarova   +3 more
wiley   +1 more source

Evaluating the accuracy of the EcoservR toolkit for fine‐resolution habitat mapping

open access: yesEcological Solutions and Evidence, Volume 7, Issue 2, April/June 2026.
Accurate habitat maps are essential for monitoring ecological change and supporting nature recovery planning. We evaluate the EcoservR rule‐based habitat mapping toolkit using field survey data from Merseyside and the North York Moors, validating classifications across the Joint Nature Conservation Committee (JNCC) Phase 1 hierarchy.
Sandra Angers‐Blondin   +11 more
wiley   +1 more source

The Determinant Factors of Self-employment in the Iranian Economy [PDF]

open access: yesپژوهشهای اقتصادی, 2013
Self-employment is a crucially important subject in an economy, especially for a country with high unemployment rate. This paper studies the determinant factors of self employment in Iran during 1996-2006 using a panel data method.
Abolfazl Shahabadi, Tayebeh Khatami
doaj  

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