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Source : Archipel

Anneaux de fonctions p-adiques

Bélair, Luc (juin 1995)

We study first-order properties of the quotient rings (V)/ by a prime ideal where (V) is the ring of p-adic valued continuous definable functions on some affine p-adic variety V. We show that they are integrally closed Henselian local rings, with a p-adically closed residue field and field of ...

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Source : Archipel

Managing understory light conditions in boreal mixedwoods through variation in the intensity and spatial pattern of harvest: A modelling approach

Beaudet, Marilou et al. (2011)

In the context of partial harvesting, adequately managing post-harvest light conditions are essential to obtain a desired composition of tree species regeneration. The objective of this study was to determine how varying the intensity and spatial pattern of harvest would affect understory light ...

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Source : Archipel

De la commission Parent aux réformes de la santé et au Code des professions. Les continuités de la ‘longue’ Révolution tranquille, 1961-1974

Prud'homme, Julien (2012)

La signification de la Révolution tranquille est souvent envisagée sous l’angle d’un « récit de la technocratisation », qui repose sur la double idée d’une continuité claire entre les réformes du temps et d’une action centralisée entre les mains de quelques acteurs. Ces idées, ...

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Source : Archipel

New insights into the lithosphere beneath the Superior Province from Rayleigh wave dispersion and receiver function analysis

Darbyshire, Fiona A. et al. (2007)

We study the azimuthally anisotropic upper-mantle structure of the Superior Craton and Grenville Province in Ontario, Canada, using Rayleigh wave phase-velocity data in the period range 40–160 s. 152 two-station dispersion measurements are combined in a tomographic inversion that solves ...

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Source : Archipel

Embedding a Pair of Graphs in a Surface, and the Width of 4-dimensional Prismatoids

Santos, Francisco et al. (2012)

A prismatoid is a polytope with all its vertices contained in two parallel facets, called its bases. Its width is the number of steps needed to go from one base to the other in the dual graph. The first author recently showed that the existence of counter-examples to the Hirsch conjecture is ...

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Source : Archipel

On the superimposition of Christoffel words

Paquin, Geneviève et al. (2011)

Initially stated in terms of Beatty sequences, the Fraenkel conjecture can be reformulated as follows: for a k-letter alphabet A, with a fixed k ≥ 3, there exists a unique balanced infinite word, up to letter permutations and shifts, that has mutually distinct letter frequencies. Motivated by the ...

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Source : Archipel

Prenatal Stress due to a Natural Disaster Predicts Adiposity in Childhood: The Iowa Flood Study

Dancause, Kelsey N. et al. (2015)

Prenatal stress can affect lifelong physical growth, including increased obesity risk. However, human studies remain limited. Natural disasters provide models of independent stressors unrelated to confounding maternal characteristics. We assessed degree of objective hardship and subjective distress ...

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Source : Archipel

Sapling age structure and growth series reveal a shift in recruitment dynamics of sugar maple and American beech over the last 40 years

Gravel, Dominique et al. (2011)

Northern hardwoods have undergone a marked change in their dynamics, with American beech (Fagus grandifolia Ehrh.) increasing in abundance relative to sugar maple (Acer saccharum Marsh.). This study aims to better understand this sudden shift in recruitment dynamics. We performed an extensive ...

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Source : Archipel

A Methodology for the Regional-Scale-Decomposed Atmospheric Water Budget: Application to a Simulation of the Canadian Regional Climate Model Nested by NCEP–NCAR Reanalyses over North America

Bielli, Soline et al. (mars 2006)

The purpose of this work is to study the added value of a regional climate model with respect to the global analyses used to drive the regional simulation, with a special emphasis on the nonlinear interactions between different spatial scales, focusing on the moisture flux divergence. The ...

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