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1680 Publications visible to you, out of a total of 1680
Three Hypervelocity White Dwarfs in Gaia DR2: Evidence for Dynamically Driven Double-degenerate Double-detonation Type Ia Supernovae

Abstract

Not specified

Authors: Ken J. Shen, Douglas Boubert, Boris T. Gänsicke, Saurabh W. Jha, Jennifer E. Andrews, Laura Chomiuk, Ryan J. Foley, Morgan Fraser, Mariusz Gromadzki, James Guillochon, Marissa M. Kotze, Kate Maguire, Matthew R. Siebert, Nathan Smith, Jay Strader, Carles Badenes, Wolfgang E. Kerzendorf, Detlev Koester, Markus Kromer, Broxton Miles, Rüdiger Pakmor, Josiah Schwab, Odette Toloza, Silvia Toonen, Dean M. Townsley, Brian J. Williams

Date Published: 20th Sep 2018

Publication Type: Journal

Equilibrium model of drug-modulated GagPol-embedded HIV-1 reverse transcriptase dimerization to enhance premature protease activation

Abstract

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Authors: S. Kashif Sadiq, Gilles Mirambeau, Andreas Meyerhans

Date Published: 14th Sep 2018

Publication Type: Journal

OGLE14-073 - a promising pair-instability supernova candidate

Abstract

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Authors: Alexandra Kozyreva, Markus Kromer, Ulrich M Noebauer, Raphael Hirschi

Date Published: 1st Sep 2018

Publication Type: Journal

Limits of Geometries

Abstract (Expand)

A geometric transition is a continuous path of geometric structures that changes type, meaning that the model geometry, i.e., the homogeneous space on which the structures are modeled, abruptly changes. … In order to rigorously study transitions, one must define a notion of geometric limit at the level of homogeneous spaces, describing the basic process by which one homogeneous geometry may transform into another. We develop a general framework to describe transitions in the context that both geometries involved are represented as sub-geometries of a larger ambient geometry. Specializing to the setting of real projective geometry, we classify the geometric limits of any sub-geometry whose structure group is a symmetric subgroup of the projective general linear group. As an application, we classify all limits of three-dimensional hyperbolic geometry inside of projective geometry, finding Euclidean, Nil, and Sol geometry among the limits. We prove, however, that the other Thurston geometries, in particular \mathbbH^2 \times \mathbbR and \widetilde \textup SL_2\mathbbR, do not embed in any limit of hyperbolic geometry in this sense.

Authors: Daryl Cooper, Jeffrey Danciger, Anna Wienhard

Date Published: 1st Sep 2018

Publication Type: Journal

An analysis of the TZ Fornacis binary system

Abstract

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Authors: J. Higl, L. Siess, A. Weiss, H. Ritter

Date Published: 1st Sep 2018

Publication Type: Journal

Positivity and higher Teichmüller theory

Abstract (Expand)

We introduce Θ-positivity, a new notion of positivity in real semisimple Lie groups. The notion of Θ-positivity generalizes at the same time Lusztig’s total positivity in split real Lie groups as well … as well known concepts of positivity in Lie groups of Hermitian type. We show that there are two other families of Lie groups, \SO(p,q) for p<q, and a family of exceptional Lie groups, which admit a Θ-positive structure. We describe key aspects of Θ-positivity and make a connection with representations of surface groups and higher Teichmüller theory.

Authors: Olivier Guichard, Anna Wienhard

Date Published: 6th Aug 2018

Publication Type: InCollection

Toward an Ensemble View of Chromatosome Structure: A Paradigm Shift from One to Many

Abstract

Not specified

Authors: Mehmet Ali Öztürk, Vlad Cojocaru, Rebecca C. Wade

Date Published: 1st Aug 2018

Publication Type: Journal

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