Results 141 to 150 of about 466,548 (211)

Spectra of random graphs with given expected degrees. [PDF]

open access: yesProc Natl Acad Sci U S A, 2003
Chung F, Lu L, Vu V.
europepmc   +1 more source

Some Inequalities for Reversible Markov Chains [PDF]

open access: yesJournal of the London Mathematical Society, 1982
openaire   +2 more sources

Spatial Inequality in Chile [PDF]

open access: yes
Despite success in reducing poverty over the last twenty years, inequality in Chile has remained virtually unchanged, making Chile one of the least equal countries in the world.
Phillip Brown, Claudio Agostini
core  

Optimization of Markov Queuing Model in Hospital Bed Resource Allocation.

open access: yesJ Healthc Eng, 2020
Wu J   +5 more
europepmc   +1 more source

Is the World Getting Smaller? Network‐Driven Heterogeneity in Gravity‐Model Elasticities

open access: yesThe World Economy, EarlyView.
ABSTRACT Gravity models constitute the workhorse of empirical international trade research, yet the temporal stability of their core parameters—distance and GDP elasticities—remains underexplored, particularly in relation to the evolving structure of trade networks.
Zsolt T. Kosztyán   +2 more
wiley   +1 more source

Language acquisition with communication between learners. [PDF]

open access: yesJ R Soc Interface, 2018
Ibsen-Jensen R   +3 more
europepmc   +1 more source

Frequency‐dependent contraction rates for the Bayesian method to the inverse source problem

open access: yesTransactions of the London Mathematical Society, Volume 13, Issue 1, December 2026.
Abstract This paper addresses an inverse source problem for acoustic waves in a range of frequencies. Our study has two main goals. First, although the problem is severely ill‐posed with a logarithmic stability estimate, we demonstrate, through careful analysis of the forward map's singular values, that increasing the frequency range enhances stability,
Pu‐Zhao Kow, Jenn‐Nan Wang
wiley   +1 more source

Significant scales in community structure. [PDF]

open access: yesSci Rep, 2013
Traag VA, Krings G, Van Dooren P.
europepmc   +1 more source

Urban Inequality [PDF]

open access: yes
What impact does inequality have on metropolitan areas? Crime rates are higher in places with more inequality, and people in unequal cities are more likely to say that they are unhappy.
Edward L. Glaeser   +2 more
core  

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