Results 141 to 150 of about 27,143 (281)

On relation between rational and differential rational invariants of surfaces with respect to the motion groups [PDF]

open access: yesarXiv, 2015
The description of invariants of surfaces with respect to the motion groups is reduced to the description of invariants of parameterized surfaces with respect to the motion groups. Existence of a commuting system of invariant partial differential operators (derivatives) and a finite system of invariants, such that any invariant of the surface is a ...
arxiv  

Oil and Product Price Dynamics in International Petroleum Markets [PDF]

open access: yes
In this paper we investigate crude oil and products price dynamics. We present a comparison among ten price series of crude oils and fourteen price series of petroleum products, considering four distinct market areas (Mediterranean, North Western Europe,
Alessandro Lanza   +2 more
core  

Natural radioactive elements (TH, U) in fresh water salt sediments [PDF]

open access: yes, 2016
The article is a summary and review of data on TH and U content in salt deposits of natural fresh water in South Siberia, the Urals and Kazakhstan.
Арынова, Ш. Ж.   +3 more
core  

Russia: Case Study on Human Development Progress Toward the MDGs at the Sub-National Level [PDF]

open access: yes
human development, millennium development goals ...
Natalia Zubarevich
core  

Grime and Punishment: Employment, Wages and Wage Arrears in the Russian Federation [PDF]

open access: yes, 1997
http://deepblue.lib.umich.edu/bitstream/2027.42/39493/3/wp103 ...
Acquisti, Alessandro   +2 more
core  

FIRMS AND PUBLIC SERVICE PROVISION IN RUSSIA [PDF]

open access: yes
This paper reports first results from a survey of 404 middle-sized and large manufacturing firms from 40 Russian regions in April-June 2003. We examine the extent of social service and infrastructure provision by the firms and the firms’ assessment of ...
Ekaterina Zhuravskaya   +5 more
core   +3 more sources

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