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jstoobysmith 2024-07-09 19:22:16 -04:00
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9 changed files with 13 additions and 23 deletions
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6
HepLean/SpaceTime/LorentzGroup/Boosts.lean
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@ -16,17 +16,13 @@ a four velocity `u` to a four velocity `v`.
A boost is the special case of a generalised boost when `u = stdBasis 0`.
## TODO
- Show that generalised boosts are in the restricted Lorentz group.
- Define boosts.
## References
- The main argument follows: Guillem Cobos, The Lorentz Group, 2015:
https://diposit.ub.edu/dspace/bitstream/2445/68763/2/memoria.pdf
-/
/-! TODO: Show that generalised boosts are in the restricted Lorentz group. -/
noncomputable section
namespace LorentzGroup

5
HepLean/SpaceTime/LorentzGroup/Orthochronous.lean
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@ -11,11 +11,8 @@ import HepLean.SpaceTime.LorentzGroup.Proper
We define the give a series of lemmas related to the orthochronous property of lorentz
matrices.
## TODO
- Prove topological properties.
-/
/-! TODO: Prove topological properties of the Orthochronous Lorentz Group. -/
noncomputable section