Mathematics Branches, Topics, and Sub-Topics

A structured visual guide to the major mathematical areas and their relationships.

Search by code, branch, topic, subtopic, or a keyword from the descriptions.

49Lxx Hamilton-Jacobi theories

This subtopic introduces the core ideas in hamilton-jacobi theories, including foundational concepts, standard methods, and the main questions used to organize the area. Typical uses include building mathematical background, framing related research problems, and supporting applications in neighboring fields where these concepts provide useful structure.

Specific topics

49L12 Hamilton-Jacobi equations in optimal control and differential games

Overview

Hamilton-Jacobi equations provide a dynamic programming viewpoint for optimal control and differential games, linking value functions to PDEs.

Related Wikipedia Page

Wikipedia: Hamilton-Jacobi equation

Useful Links

Key Ideas

  • viscosity solutions
  • value functions
  • optimal feedback

Typical Uses

Used for feedback synthesis, differential games, and control design.

Applications

  • Robotics
  • Game theory
  • Path planning

References

Recommended Textbooks

49L20 Dynamic programming in optimal control and differential games

Overview

Dynamic programming recasts control problems as recursive optimization problems, often yielding efficient computational and theoretical methods.

Related Wikipedia Page

Wikipedia: Dynamic programming

Useful Links

Key Ideas

  • Bellman equations
  • cost-to-go functions
  • policy iteration

Typical Uses

Found in operations research, finance, and robotics.

Applications

  • Inventory control
  • Finance
  • Autonomous systems

References

Recommended Textbooks

49L25 Viscosity solutions to Hamilton-Jacobi equations in optimal control and differential games

Overview

Viscosity solutions provide a rigorous framework for Hamilton-Jacobi equations with nonsmooth value functions, making them suitable for control theory.

Related Wikipedia Page

Wikipedia: Viscosity solution

Useful Links

Key Ideas

  • comparison principle
  • nonsmooth value functions
  • weak PDE solutions

Typical Uses

Important for numerical methods and theoretical control analysis.

Applications

  • Feedback control
  • Differential games
  • Image processing

References

Recommended Textbooks