Results 21 to 30 of about 116,210 (259)

On a differential inclusion related to the Born-Infeld equations [PDF]

open access: yes, 2013
We study a partial differential relation that arises in the context of the Born-Infeld equations (an extension of the Maxwell's equations) by using Gromov's method of convex integration in the setting of divergence free ...
Dacorogna B.   +6 more
core   +2 more sources

On Tarski's axiomatic foundations of the calculus of relations [PDF]

open access: yes, 2016
It is shown that Tarski's set of ten axioms for the calculus of relations is independent in the sense that no axiom can be derived from the remaining axioms. It is also shown that by modifying one of Tarski's axioms slightly, and in fact by replacing the
Andréka, H.   +3 more
core   +3 more sources

The spillover effect of European Union funds between the regions of the new European Union members

open access: yesCroatian Review of Economic, Business and Social Statistics, 2022
As the differences between the regions are more pronounced than among the countries, NUTS 2 regions of the new members that joined the EU after 2000 are considered.
Maras Marin
doaj   +1 more source

Measuring the Social, Economic and Environmental Resilience – A Case Study of the Hungarian Cities

open access: yesStudia Ekonomiczne i Regionalne, 2023
The COVID-19 and 2021-2022 energy crises shed new light on urban resilience. Cities face many more challenges and external shocks. This study aims to measure urban resilience.
Nagy Zoltán, Szép Tekla
doaj   +1 more source

Price Convergence in the Regional Housing Markets in Poland

open access: yesReal Estate Management and Valuation, 2019
Average prices of residential real estate usually show significant variation on a regional basis. This reflects different social, economic or historical conditions for the development of these markets. In addition, research so far has not provided strong
Żelazowski Konrad
doaj   +1 more source

Comparative Analysis: Influence of Interest Rates on Returns of Real Estate Private Equity Index and Real Estate Public Equity Index

open access: yesReal Estate Management and Valuation, 2022
In this paper, we studied the influence of interest rates on a US-based real estate private equity index as well US Wilshire public equity REIT Index. The interest rates that are chosen as independent variables include Monthly LIBOR, Yearly LIBOR and the
Sharma Manu
doaj   +1 more source

Carryless Arithmetic Mod 10 [PDF]

open access: yes, 2011
We investigate what arithmetic would look like if carry digits into other digit position were ignored, so that 9 + 4 = 3, 5 + 5 = 0, 9 X 4 = 6, 5 X 4 = 0, and so on. For example, the primes are now 21, 23, 25, 27, 29, 41, 43, 45, 47, ...
Applegate, David   +2 more
core   +3 more sources

Digital Village Transformation: A Model for Relativizing Regional Disparities in the Republic of Serbia

open access: yesECONOMICS, 2019
The regional reality of the Republic of Serbia is characterized by strong regional disparities and adverse demographic trends. This situation is the result not only of inadequate actions of makers of macroeconomic policy and implementation of inefficient
Manasijević Aleksandar   +2 more
doaj   +1 more source

Stem respiration of Norway spruce trees under elevated CO2 concentration

open access: yesBiologia Plantarum, 2010
Measurements of stem respiration were conducted for a period of four years (1999-2002) in 14-year old Norway spruce (Picea abies [L.] Karst) trees exposed to ambient (CA) and elevated CO2 concentration (CE; ambient plus 350 μmol mol-1).
M. Acosta   +3 more
doaj   +1 more source

Big Bang nucleosynthesis with a stiff fluid

open access: yes, 2010
Models that lead to a cosmological stiff fluid component, with a density $\rho_S$ that scales as $a^{-6}$, where $a$ is the scale factor, have been proposed recently in a variety of contexts.
Dutta, Sourish, Scherrer, Robert J.
core   +1 more source

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