Plan

• Lorentz transformation
• Matrix multiplication
• Rotational invariant
• Invariant interval
• Velocity addition

In-class discussion

• Transform two events (ct,x) = (0,1) and (1,0) and show contraction, dilation
• Space and time reflections and invariant
• Rotations and invariant interval
• Lorentz group -- what makes a group

In-class group problems

• Hogg Problem 4-7
• Hogg Problem 4-11

In-class notes pdf

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Last modified 3 September 2019