List questions from special-relativity

95

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Lorentz-invariance Lagrangian for a free particle and $\frac{d}{d \tau} \left( m \eta_{\mu \nu} u^{\mu}\right)=0$

Published on 23 Feb 2026 - 10:06

91

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Analysis of a function: Showing that Quantum Mechanics violates relativity

Published on 23 Feb 2026 - 10:01

154

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Length Contraction

Published on 30 Mar 2026 - 1:56

796

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How to approximate this expression ?

Published on 23 Feb 2026 - 10:07

136

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Series $\sum_{n=1}^{\infty} \left[K_0\left(\sqrt{[n\beta-it]^2+s^2 }\right)+K_0\left(\sqrt{[n\beta+it]^2+s^2}\right)\right]$

Published on 23 Feb 2026 - 10:06

113

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Spinors and Klein-Gordon Equation

Published on 23 Feb 2026 - 10:00

235

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When can you divide differential 1-forms?

Published on 23 Feb 2026 - 10:00

1.2k

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Killing vectors in Minkowski Metric

Published on 23 Feb 2026 - 10:02

65

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3-dimensional slice of $\zeta^{2,2}$

Published on 23 Feb 2026 - 10:02

1.9k

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Lagrangian equation compute conserved angular and linear momentum.

Published on 23 Feb 2026 - 10:00

95

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Making sense of Wikipedia derivation of the invariance of the spacetime interval

Published on 23 Feb 2026 - 10:05

78

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Einstein says that this equation is true, but WolframAlpha says it's not always true. Who is right?

Published on 23 Feb 2026 - 10:05

180

Views

Inscribed angle theorem for hyperbola - is this result well known?

Published on 23 Feb 2026 - 10:02

82

Views

The causal cones are convex

Published on 23 Feb 2026 - 10:00

3k

Views

What is the conceptual idea behind raising and lowering indices?

Published on 23 Feb 2026 - 10:04

List Question

Lorentz-invariance Lagrangian for a free particle and $\frac{d}{d \tau} \left( m \eta_{\mu \nu} u^{\mu}\right)=0$

Analysis of a function: Showing that Quantum Mechanics violates relativity

Length Contraction

How to approximate this expression ?

Series $\sum_{n=1}^{\infty} \left[K_0\left(\sqrt{[n\beta-it]^2+s^2 }\right)+K_0\left(\sqrt{[n\beta+it]^2+s^2}\right)\right]$

Spinors and Klein-Gordon Equation

When can you divide differential 1-forms?

Killing vectors in Minkowski Metric

3-dimensional slice of $\zeta^{2,2}$

Lagrangian equation compute conserved angular and linear momentum.

Making sense of Wikipedia derivation of the invariance of the spacetime interval

Einstein says that this equation is true, but WolframAlpha says it's not always true. Who is right?

Inscribed angle theorem for hyperbola - is this result well known?

The causal cones are convex

What is the conceptual idea behind raising and lowering indices?

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