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Implicit Regularization is a 4-dimensional regularization initially conceived to treat ultraviolet divergences. It has been successfully tested in several instances in the literature, more specifically in those where Dimensional…

High Energy Physics - Theory · Physics 2011-02-03 H. G. Fargnoli , A. P. Baeta Scarpelli , L. C. T. Brito , B. Hiller , Marcos Sampaio , M. C. Nemes , A. A. Osipov

We study the Lorentz and Dirac algebra, including antisymmetric $\epsilon$ tensors and the $\gamma_5$ matrix, in implicit gauge-invariant regularization/renormalization methods defined in fixed integer dimensions. They include constrained…

High Energy Physics - Phenomenology · Physics 2018-09-26 A. M. Bruque , A. L. Cherchiglia , M. Perez-Victoria

We extend the $\tmop{Sim}(2)$ invariant infrared regularization of Very Special Relativity models, that we have proposed recently, to include $\gamma_5$ Dirac matrix. Then, we solve the Very Special Relativity Schwinger model, find the…

High Energy Physics - Theory · Physics 2024-10-22 Jorge Alfaro

$\gamma_5$ is notoriously difficult to define in $D$ dimensions. The traditional BMHV scheme employs a non-anticommuting $\gamma_5$. Its key advantage is mathematical consistency and the existence of all-order proofs. Its disadvantage is…

High Energy Physics - Phenomenology · Physics 2022-08-05 Hermès Bélusca-Maïto , Amon Ilakovac , Marija Mađor-Božinović , Paul Kühler , Dominik Stöckinger

We employ implicit regularization (IReg) in quark-antiquark decays of the Z, or of a scalar (CP-even or odd) boson at NLO, and compare with dimensional schemes to reveal subtleties involving infrared divergence cancellation and…

High Energy Physics - Phenomenology · Physics 2023-10-02 Ricardo J. C. Rosado , Adriano Cherchiglia , Marcos Sampaio , Brigitte Hiller

We extend an implicit regularization scheme to be applicable in the $n$-dimensional space-time. Within this scheme divergences involving parity violating objects can be consistently treated without recoursing to dimensional continuation.…

High Energy Physics - Theory · Physics 2016-09-06 A. P. B. Scarpelli , M. Sampaio , M. C. Nemes

The calculation of loop amplitudes with parity violation or spin effects within dimensional regularization needs a consistent definition of gamma5. Also loop calculations in supersymmetric theories need a consistent definition of gamma5. In…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefan Weinzierl

I present a novel Four-Dimensional Regularization/Renormalization approach (FDR) to ultraviolet divergences in field theories which can be interpreted as a natural separation between physical and non physical degrees of freedom. Based on…

High Energy Physics - Phenomenology · Physics 2012-12-03 Roberto Pittau

This contribution investigates the connection between isogeometric analysis and integral equation methods for full-wave electromagnetic problems up to the low-frequency limit. The proposed spline-based integral equation method allows for an…

Computational Engineering, Finance, and Science · Computer Science 2026-05-19 Maximilian Nolte , Riccardo Torchio , Sebastian Schöps , Jürgen Dölz , Felix Wolf , Albert E. Ruehli

We formulate a renormalizable complex extension of the bumblebee theory in which the bumblebee field is promoted to a complex one and coupled to an Abelian gauge sector. Besides the minimal gauge covariant interaction, the model includes a…

High Energy Physics - Theory · Physics 2026-05-01 Willian Carvalho , A. C. Lehum , J. R. Nascimento , A. Yu. Petrov

Implicit Regularization (IReg) is a candidate to become an invariant framework in momentum space to perform Feynman diagram calculations to arbitrary loop order. In this work we present a systematic implementation of our method that…

High Energy Physics - Theory · Physics 2011-06-20 A. L. Cherchiglia , Marcos Sampaio , M. C. Nemes

We consider procedures through which an ultraviolet cut-off regularization scheme can be modified to reproduce the same results for nonperturbative renormalized Green's functions as obtained from a dimensional regularization scheme. These…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ayse Kizilersu , Tom Sizer , Anthony G. Williams

Lattice radial quantization was proposed in a recent paper by Brower, Fleming and Neuberger[1] as a nonperturbative method especially suited to numerically solve Euclidean conformal field theories. The lessons learned from the lattice…

High Energy Physics - Lattice · Physics 2014-07-30 Richard C. Brower , Michael Cheng , George T. Fleming

The renormalization group (RG) is a class of theoretical techniques used to explain the collective physics of interacting, many-body systems. It has been suggested that the RG formalism may be useful in finding and interpreting emergent…

Statistical Mechanics · Physics 2022-03-23 Adam G. Kline , Stephanie E. Palmer

A new Dimensional Regularization of $\gamma_5$ is proposed. Cyclicity and Lorentz covariance are enforced. The extension to generic dimension is based on the integral representation of the trace of gamma's, presented in a previous paper.

High Energy Physics - Theory · Physics 2017-11-22 Ruggero Ferrari

In this work, we propose an Implicit Regularization Enhancement (IRE) framework to accelerate the discovery of flat solutions in deep learning, thereby improving generalization and convergence. Specifically, IRE decouples the dynamics of…

Machine Learning · Computer Science 2024-11-04 Mingze Wang , Jinbo Wang , Haotian He , Zilin Wang , Guanhua Huang , Feiyu Xiong , Zhiyu Li , Weinan E , Lei Wu

We propose moving all the $\gamma_{5}$ matrices to the rightmost position before continuing the dimension, and show that this simple prescription will enable the dimension regularization scheme proposed by 't Hooft and Veltman to be…

High Energy Physics - Theory · Physics 2011-02-01 Er-Cheng Tsai

Machine learning models for graphs in real-world applications are prone to two primary types of uncertainty: (1) those that arise from incomplete and noisy data and (2) those that arise from uncertainty of the model in its output. These…

Machine Learning · Computer Science 2024-12-10 Zohair Shafi , Germans Savcisens , Tina Eliassi-Rad

The recently proposed information geometric regularization (IGR) was the first inviscid regularization of the multi-dimensional compressible Euler equations, which enabled the simulation of realistic compressible fluid models at an…

Mathematical Physics · Physics 2025-12-17 William Barham , Brian K. Tran , Ben S. Southworth , Florian Schäfer

Since its formulation by Hamaker et al., the radio interferometer measurement equation (RIME) has provided a rigorous mathematical basis for the development of novel calibration methods and techniques, including various approaches to the…

Instrumentation and Methods for Astrophysics · Physics 2011-02-07 Oleg M. Smirnov
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