Propagation of Sound and Lorentz Transformations: 3D Wave Equation Symmetries - Lecture 4

Explore the intricacies of sound propagation and Lorentz transformations in this comprehensive lecture from the Warsaw4PhD Doctoral School. Delve into the 3D wave equation and its applications in understanding sound propagation. Examine the symmetries of the wave equation through Lorentz transformations. Learn about the continuity of matter, Archimedes equation, string and square equations, and their general solutions. Gain insights into the historical context and explore practical exercises to reinforce your understanding. This lecture, part of the "Introduction to Electrodynamics and Theory of Relativity" series, is presented by professor Jerzy Kijowski from the Centrum Fizyki Teoretycznej PAN, offering advanced theoretical physics concepts for doctoral students and enthusiasts alike.

Introduction
Continuity of matter
Archimedes equation
With string equation
With square equation
General Solutions
History
symmetries
expansion
exercise