Results 21 to 30 of about 2,758,604 (298)

General boundary quantum field theory: Timelike hypersurfaces in Klein-Gordon theory [PDF]

open access: yes, 2005
We show that the real massive Klein-Gordon theory admits a description in terms of states on various timelike hypersurfaces and amplitudes associated to regions bounded by them. This realizes crucial elements of the general boundary framework for quantum
M. Abramowitz, R. Jackiw, Robert Oeckl
core   +1 more source

Forest Connectivity Regions of Canada Using Circuit Theory and Image Analysis.

open access: yesPLoS ONE, 2017
Ecological processes are increasingly well understood over smaller areas, yet information regarding interconnections and the hierarchical nature of ecosystems remains less studied and understood.
David Pelletier   +4 more
doaj   +1 more source

Durability Evaluation of Concrete in Cold and Arid Regions Based on Grey Relational Theory

open access: yesAdvances in Civil Engineering, 2022
Aiming at the outstanding problem of concrete durability in cold and arid regions, the Datonghe-Qingwangchuan Diversion Project in Gansu Province, China, was used as a typical research area, and erosion products were determined by field sampling and ...
Li Gong   +4 more
doaj   +1 more source

Social Inequality and the University

open access: yesPapers, 2005
Since Pierre Bourdieu’s early work on «Reproduction», social inequality in the educational system and especially at university level was in the focus of sociological interest.
Werner Georg
doaj   +1 more source

Quasiparticle Relaxation Rates in a spatially inhomogeneous superconductor [PDF]

open access: yes, 1993
Effective quasi-particle relaxation rates in reduced gap regions of a dirty superconductor (S) at low temperatures are calculated from microscopic ...
Golubov, A.A., Houwman, E.P.
core   +3 more sources

Formation of paradigmatic theory of regional economy

open access: yesEconomy of Region, 2012
This paper reviews the evolution of scientific ideas about the regional economy as an independent direction of economic knowledge. The growing interest of scientists, university lecturers and specialists to the regional economy is noticed. The authors pay special attention to the origins of the regional economy, the contribution of Russian scientists ...
Tatarkin, A. I., Animitsa, E. G.
openaire   +4 more sources

Regional cohesion: evidence and theories of regional growth and convergence [PDF]

open access: yesEuropean Economic Review, 1996
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openaire   +4 more sources

The International Competitiveness of National Regions:Conceptual and Practical Dimensions [PDF]

open access: yesInternational Economic Policy, 2006
The article examines the conceptual evolution and development of the international competitiveness of national regions. It systematizes and describes the main theories of regional competitiveness.
Iryna Brykova
doaj  

Theory and practice of investment ensuring development of economy of depressive regions

open access: yesУченые записки Российской академии предпринимательства, 2021
In the article the existing shortcomings and necessary conditions of stimulation of investmentactivity of depressive regions are considered. Possible ways of financial security which promote regional economic growth are revealed and it is established ...
B. H. Pshigotizhev
doaj  

Childbearing intentions in a low fertility context: the case of Romania

open access: yesGenus, 2019
This paper applies the Theory of Planned Behaviour (TPB) to find out the predictors of fertility intentions in Romania, a low-fertility country. We analyse how attitudes, subjective norms and perceived behavioural control relate to the intention to have ...
Alexandra-Andreea Ciritel   +2 more
doaj   +1 more source

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