Miscellaneous Writings

• Canonical transformations and their quantum counterparts (Legendre and Fourier)
• Spinors, the Dirac equation, and Checkerboard models
• Dirac operators
• Hidden Symmetries and Killing-Yano tensors
• Generalized Electromagnetism
• Gauge invariant observables (problem of time)
• Bohm, Nelson, and QFT
• Time in (quantum) mechanics (reparameterization, Hamilton constraints, etc.)
• Black Hole Entropy
• What Bogdanov & Bogdanov were really saying
• The generator of time evolution in classical electromagnetism
• Lie derivative of spinors (along Killing vectors)
• Exterior calculus, the Weitzenboeck formula, and gravity
• Visualization of the photon state of the string