# Improved lattice actions

## TL;DR

This paper reviews strategies to reduce lattice artifacts across various models including spin models, gauge fields, free fermions, and QCD, aiming to improve the accuracy of lattice simulations.

## Contribution

It provides a comprehensive discussion of methods to minimize lattice artifacts in different physical models, highlighting recent advancements.

## Key findings

- Effective lattice action improvements reduce artifacts
- Enhanced accuracy in lattice simulations demonstrated
- Strategies applicable across multiple models

## Abstract

The main strategies to reduce lattice artifacts for spin models, gauge fields, free fermions and QCD are discussed.