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Thursday, 24 January, 2019
Hugo Duminil-Copin, Vincent Tassion

The study of crossing probabilities - i.e. probabilities of existence of paths crossing rectangles - has been at the heart of the theory of two-dimensional percolation since its beginning. They...

arXiv:1901.08294
Wednesday, 23 January, 2019
Seung-Joo Lee, Wolfgang Lerche, Timo Weigand

We analyse the Weak Gravity Conjecture for chiral four-dimensional F-theory compactifications with N=1 supersymmetry. Extending our previous work on nearly tensionless heterotic strings in six...

arXiv:1901.08065
Sunday, 30 December, 2018
Chiara Camere, Alberto Cattaneo, Robert Laterveer

We consider a 10-dimensional family of Lehn-Lehn-Sorger-van Straten hyperkähler eightfolds which have a non-symplectic automorphism of order 3. Using the theory of finite-dimensional motives, we...

arXiv:1812.11554
Friday, 28 December, 2018
Enis Belgacem, Andreas Finke, Antonia Frassino, Michele Maggiore

We study the impact of the limit on |\dot{G}|/G from Lunar Laser Ranging on "nonlocal gravity", i.e. on models of the quantum effective action of gravity that include nonlocal terms relevant in...

arXiv:1812.11181
Friday, 28 December, 2018
Matthias Blau, Keita Kaniba Mady, K.S. Narain, George Thompson

The path integral for the partition function of Chern-Simons gauge theory with a compact gauge group is evaluated on a general Seifert 3-manifold. This extends previous results and relies on...

arXiv:1812.10966
Saturday, 22 December, 2018
Basundhara Ghosh, Ruth Durrer

Recently Dizgah & Durrer have shown that the E_g statistics, useful to test theories of modified gravity, is plagued by additional scale and bias dependent lensing contributions. In this...

arXiv:1812.09546
Friday, 21 December, 2018
Enea Di Dio, Ruth Durrer, Roy Maartens, Francesco Montanari, Obinna Umeh

We compute the full-sky redshift-dependent angular bispectrum of galaxy number counts at tree-level, including nonlinear clustering bias and estimating numerically for the first time the effect...

arXiv:1812.09297
Friday, 14 December, 2018
Artem Borin, Ines Safi, Eugene Sukhorukov

The Coulomb drag effect arises due to electron-electron interactions, when two metallic conductors are placed in close vicinity to each other. It manifests itself as a charge current or voltage...

arXiv:1812.06098
Tuesday, 11 December, 2018
Julian Adamek, Chris Clarkson, Louis Coates, Ruth Durrer, Martin Kunz

An important part of cosmological model fitting relies on correlating distance indicators of objects (for example type Ia supernovae) with their redshift, often illustrated on a Hubble diagram....

arXiv:1812.04336
Friday, 7 December, 2018
Chiara Boccato, Christian Brennecke, Serena Cenatiempo, Benjamin Schlein

We consider systems of bosons trapped in a box, in the Gross-Pitaevskii regime. We show that low-energy states exhibit complete Bose-Einstein condensation with an optimal bound on the number of...

arXiv:1812.03086
Tuesday, 4 December, 2018
Anton Alekseev, Nariya Kawazumi, Yusuke Kuno, Florian Naef

Let Σ be a compact connected oriented 2-dimensional manifold with non-empty boundary. In our previous work, we have shown that the solution of generalized (higher genus) Kashiwara-Vergne...

arXiv:1812.01159
Tuesday, 4 December, 2018
Grigory Mikhalkin, Stepan Orevkov

For a real algebraic link in RP3, we prove that its encomplexed writhe (an invariant introduced by Viro) is maximal for a given degree and genus if and only if its self-linking number...

arXiv:1812.01563

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