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pro vyhledávání: '"Plessis, J."'
In point-free topology, one abstracts the poset of open subsets of a topological space, by replacing it with a frame (a complete lattice, where meet distributes over arbitrary join). In this paper we propose a similar abstraction of the posets of con
Externí odkaz:
http://arxiv.org/abs/2406.16923
Autor:
Horowitz, W. A., Plessis, J. F. Du
We compute and explore numerically the finite system size correction to NLO $2\to2$ scattering in massive scalar $\phi^4$ theory. The derivation uses "denominator regularization" (instead of the usual dimensional regularization) on a spacetime with s
Externí odkaz:
http://arxiv.org/abs/2308.08651
How does one generalize differential geometric constructs such as curvature of a manifold to the discrete world of graphs and other combinatorial structures? This problem carries significant importance for analyzing models of discrete spacetime in qu
Externí odkaz:
http://arxiv.org/abs/2212.04406
Autor:
Plessis, J. F. Du, Horowitz, W. A.
Previously an equation of state for the relativistic hydrodynamics encountered in heavy-ion collisions at the LHC and RHIC has been calculated using lattice gauge theory methods. This leads to a prediction of very low viscosity, due to the calculated
Externí odkaz:
http://arxiv.org/abs/2209.15309
Autor:
Horowitz, W. A., Plessis, J. F. Du
We compute $2\rightarrow2$ scattering in massive $\phi^4$ theory on $\mathbb R^{1,m}\times T^n$ to NLO. We perform the calculations using "denominator regularization" instead of the usual dimensional regularization, which allows for asymmetric config
Externí odkaz:
http://arxiv.org/abs/2203.01259
We introduce a modified version of the disordered Klein-Gordon lattice model, having two parameters for controlling the disorder strength: $D$, which determines the range of the coefficients of the on-site potentials, and $W$, which defines the stren
Externí odkaz:
http://arxiv.org/abs/2001.01465
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