Monthly Archives: April 2020

Locally flat coordinates on the sphere

Locally flat coordinates on the sphere

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Locally flat coordinates in the PoincarĂ© half-plane

Locally flat coordinates in the Poincaré half-plane

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Curvature of a torus

Curvature of a torus

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Eskimo mite metric revisited

Eskimo mite metric revisited

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Free ebooks from Springer

If you need something to cheer you up during this coronavirus pandemic, the publisher Springer is offering a number of scientific books for free (in electronic form), presumably as an aid to anyone wishing to study at home. The list … Continue reading

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Torus metric

Torus metric

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Divergence in curved space

Divergence in curved space

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Conformally flat spaces

Conformally flat spaces

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Stereographic projection of the sphere

Stereographic projection of the sphere

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Squashed sphere

Squashed sphere

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