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Workshop: "Inhomogeneous Cosmologies" - Torun, 2-7 July 2017
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Boud Roukema

Joined: 24 Feb 2005
Posts: 84
Affiliation: Torun Centre for Astronomy, University of Nicolaus Copernicus

PostPosted: December 12 2016  Reply with quote

Inhomogeneous Cosmologies

During 2−7 July 2017 we are gathering experts in inhomogeneous
cosmology for a small workshop of about 30 participants at Nicolaus
Copernicus University in Torun, the town where Copernicus was born. We
wish to map out the most promising directions for analytical,
numerical and observational investigations aimed to take into account
both structure formation and cosmological expansion within the
constraints of general relativity. A key motivating theme will be to
discuss the claim, already investigated in numerous peer-reviewed
papers, that "dark energy" as inferred from observations is an
artefact of assuming an average Friedmannian expansion. New techniques
in numerical relativity are beginning to open new perspectives on
these questions. We expect talks on the latest developments, vigorous,
constructive debate between "one-percenters" and "order-unity"
proponents, and practical hands-on tutorials of the Einstein Toolkit
and other free-licensed inhomogeneous cosmology software packages. The
workshop sessions will start on the morning of Mon 3 July and continue
to late afternoon Fri 7 July.

Due to the limited number of places available, registration by the
early registration deadline of 7 April 2017, including a draft
abstract, is strongly recommended. If places remain available, late
registration will remain open until the late registration deadline of
9 June 2017 - see for details.

Contact: cosmotorun17 at

Organising committee: Boud Roukema, Eloisa Bentivegna, Krzysztof
Bolejko, Thomas Buchert, Mikolaj KorzyƄski, Hayley MacPherson, Jan
Ostrowski, Sebastian Szybka, David Wiltshire

Topics will include:
    * exact cosmological solutions of the Einstein equations
    * averaging and backreaction in cosmology
    * numerical cosmological relativity
    * observational tests
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