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Weak extinction versus global exponential growth of total mass for superdi usions corresponding to the operator Lu + βu − ku2
superdiffusion superprocess measure-valued process gauge theorem Kato class growth bound
2016/1/25
Consider a superdiffusion X on R d corresponding to the semilinear operator A(u) = Lu + βu − ku 2 , where L is a second order elliptic operator, β(·) is in the Kato class and bounded from above,...
Weak extinction versus global exponential growth of total mass for superdi usions corresponding to the operator Lu + βu − ku2
superdiffusion superprocess measure-valued process gauge theorem Kato class growth bound principal eigenvalue
2016/1/20
Consider a superdiffusion X on R d corresponding to the semilinear operator A(u) = Lu + βu − ku 2 , where L is a second order elliptic operator, β(·) is in the Kato class and bounded from above,...
Reconstructing past ecological networks: the reconfiguration of seed‑dispersal interactions after megafaunal extinction
ecological networks Frugivory modularity mutualisms Pantanal rewilding
2015/11/13
the late Quaternary megafaunal extinction
impacted ecological communities worldwide, and affected
key ecological processes such as seed dispersal. the traits
of several species of large-seeded p...
his paper presents two sets of conditions under which a sole owner of a renewable
resource stock who maximizes a nonlinear benefit function would find it more profitable to
harvest the stock to exti...
The Optimal Extinction of a Renewable Natural Resource
Natural Resource Optimal Extinction
2015/9/18
Competitive behavior in an extractive industry with increasing
marginal costs of production will generate a socially efficient pattern
of production over time. The Weinstein-Zeckhauserl analysis of ...
One year of tropospheri clidar measurements of aerosol extinction and backscatter
lidar EARLINET aerosol
2015/9/16
The aerosol lidar system operational at IMAA-CNR in Tito Scalo (PZ) (Southern Italy, 40°36'N, 15°44'E, 820 m
above sea level) is part of the EARLINET project. Systematic lidar measurements of aerosol...
Short-wavelength undulatory extinction in quartz recording coseismic deformation in the middle crust – an experimental study
Short-wavelength undulatory extinction quartz recording coseismic deformation
2015/1/5
Deformation experiments are carried out on natural vein quartz in a modified Griggs-type solid medium apparatus to explore the preservation potential of microfabrics created by crystal-plastic d...
Gaps in the cloud cover? Comparing extinction measures in spiral disks
dust in galaxies spiral galaxies
2014/12/23
Dust in galaxies can be mapped either by the FIR/submillimeter emission, the optical or infrared reddening of starlight, or the extinction of a known background source. We compare two dust extinction ...
Intergalactic dust extinction in hydrodynamic cosmological simulations
formation intergalactic medium
2014/12/22
Recently Ménard et al. (hereafter MSFR) detected a subtle but systematic change in the mean colour of quasars as a function of their projected separation from foreground galaxies, extending to comovin...
The four HII regions in the Sgr A East complex: A, B, C, and D, represent evidence of recent massive star formation in the central ten parsecs. Using Paschen-alpha images taken with HST and 8.4 GHz VL...
The relationship between extinction of a branching process and moments of the offspring distribution
The relationship extinction of a branching process moments of the offspring distribution
2012/11/23
A standard approach for comparing biological strategies is to examine the mean and variance in reproductive success. These values rely on measures of the first two moments of the offspring distributio...
Robustness Against Extinction by Stochastic Sex Determination in Small Populations
Robustness Against Extinction Stochastic Sex Determination Small Populations Populations and Evolution
2012/5/2
Sexually reproducing populations with small number of individuals may go extinct by stochastic fluctuations in sex determination, causing all their members to become male or female in a generation. In...
Extinction law in ultraluminous infrared galaxies at z ~ 1
dust, extinction — galaxies: evolution — galaxies: ISM — galaxies: starburst — infrared: galaxies — supernovae: general
2011/10/17
We analyze the multi-wavelength photometric and spectroscopic data of 12 ultraluminous infrared galaxies (ULIRGs) at z ~ 1 and compare them with models of stars and dust in order to study the extincti...
2MASS wide field extinction maps: IV. The Orion, Mon R2, Rosette, and Canis Major star forming regions
clouds dust extinction structure individual objects Orion molecular complex
2011/10/21
We present a near-infrared extinction map of a large region (approximately 2200 deg^2) covering the Orion, the Monoceros R2, the Rosette, and the Canis Major molecular clouds. We used robust and optim...
Critical Multitype Branching Systems: Extinction Results
Critical branching particle system Extinction Markov renewal process
2011/8/22
Abstract: We consider a critical branching particle system in $\R^d$, composed of individuals of a finite number of types $i\in\{1,...,K\}$. Each individual of type $i$ moves independently according t...