# To $d$, or not to $d$: Recent developments and comparisons of regularization schemes

## TL;DR

This paper reviews recent advances in regularization schemes used in quantum field theory to handle singularities, comparing their methodologies and highlighting key similarities and differences.

## Contribution

It provides a comparative overview of various regularization schemes, emphasizing recent developments and their application in higher-order quantum field theory calculations.

## Key findings

- Comparison of regularization schemes reveals their similarities and differences.
- Recent developments improve handling of ultraviolet and infrared singularities.
- Guidance for choosing appropriate regularization methods in complex computations.

## Abstract

We give an introduction to several regularization schemes that deal with ultraviolet and infrared singularities appearing in higher-order computations in quantum field theories. Comparing the computation of simple quantities in the various schemes, we point out similarities and differences between them.

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Source: https://tomesphere.com/paper/1705.01827