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Renormalized energy of proper maps and conformal geodesics
Yoshihiko Matsumoto
https://arxiv.org/abs/2404.02895 https://arxiv.org/pdf…

Renormalized energy of proper maps and conformal geodesics
We introduce a certain renormalized energy of proper maps between conformally compact Einstein manifolds, which is then used to give a holographic description of conformal geodesics on the boundary at infinity, in a way deeply inspired by a work of Fine and Herfray on renormalized area minimization and conformal geodesics.

Phenomenology of renormalization group improved gravity from the kinematics of SPARC galaxies
Esha Bhatia, Sayan Chakrabarti, Sovan Chakraborty
https://arxiv.org/abs/2403.00531

Phenomenology of renormalization group improved gravity from the kinematics of SPARC galaxies
Renormalization Group correction to General Relativity (RGGR) proposes a logarithmic running of the gravitational coupling $\left(G\right)$, resulting in a modified description of gravity. This has the potential to explain the observed kinematics of the galaxies, including the missing-mass problem. We, for the first time, based on the galaxy morphological types, investigate the dynamics of a diverse collection of galaxies present in the Spitzer Photometry for Accurate Rotation Curve (SPARC) cat…

@… und man darf ja nicht vergessen, das alte Coriolis gab es ja in zwei Fassungen, wurde es doch von Järnringen ursprünglich erdacht, genauso wie Symbaroum. und beide Spiele haben ja ein tiefen Weltenbau. Und gerade bei Coriolis war es großartig weil es riesig auf den ersten Blick war und doch viele Freiheit der Spielleitung lässt es zu gestalten im Gegensatz zu ander…

Renormalization of Scalar and Fermion Interacting Field Theory for Arbitrary Loop: Heat-Kernel Approach
Upalaparna Banerjee, Joydeep Chakrabortty, Kaanapuli Ramkumar
https://arxiv.org/abs/2404.02734

Renormalization of Scalar and Fermion Interacting Field Theory for Arbitrary Loop: Heat-Kernel Approach
We outline a proposal, based on the Heat-Kernel method, to compute 1PI effective action up to any loop order for quantum field theory with scalar and fermion fields. We algebraically extract the divergences associated with the composite operators without explicitly performing any momentum loop integral. We perform this analysis explicitly for one and two-loop cases and pave the way for three-loop as well. Using our prescription we compute the two-loop counter terms for a theory containing highe…

Geometry-free renormalization of directed networks: scale-invariance and reciprocity
Margherita Lalli, Diego Garlaschelli
https://arxiv.org/abs/2403.00235 …

Geometry-free renormalization of directed networks: scale-invariance and reciprocity
Recent research has tried to extend the concept of renormalization, which is naturally defined for geometric objects, to more general networks with arbitrary topology. The current attempts do not naturally apply to directed networks, for instance because they are based on the identification of (necessarily symmetric) inter-node distances arising from geometric embeddings or on the definition of Hermitian Laplacian operators requiring symmetric adjacency matrices in spectral approaches. Here we …

Drei schöne Dinge heute.
- warme Sonne genossen
- 5 km an der Donau spaziert
- gutes Eis gehabt
- Bärlauch gepflückt und eingefroren
- Sauerkraut gemacht
- ein Arsch hat mein Auto angefahren und ist abgehauen. Stinkt mir zwar, aber kostet mit Smartrepair nicht die Welt. Und das Beste ist: Der Arsch hat auch einen fetten Kratzer bin der Stoßstange 😂😂😂😂😂😂😂😂!

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This https://arxiv.org/abs/2404.08548 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_qu…

Qubit frugal entanglement determination with the deep multi-scale entanglement renormalization ansatz
We study the deep multi-scale entanglement renormalization ansatz (DMERA) on quantum hardware and the causal cone of a subset of the qubits which make up the ansatz. This causal cone spans $O(M+\log{N})$ physical qubits on a quantum device, where $M$ and $N$ are the subset size and the total number qubits in the ansatz respectively. This allows for the determination of the von Neumann entanglement entropy of the $N$ qubit wave-function using $O(M+\log{N})$ qubits by diagonalization of the reduc…

Four loop renormalization in six dimensions using Forcer
J. A. Gracey
https://arxiv.org/abs/2405.00413 https://arxiv.org/pdf/2405.004…

Four loop renormalization in six dimensions using Forcer
We employ the Forcer algorithm to renormalize a variety of six dimensional field theories to four loops. In order to achieve this we construct the Forcer master integrals in six dimensions from their four dimensional counterparts by using the Tarasov method. The $ε$ expansion of the six dimensional masters are determined up to weight $9$ where $d$ $=$ $6$ $-$ $2ε$. By applying the Forcer routine the four loop MSbar renormalization of $ϕ^3$ theory is reproduced before gauge theories are consi…