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Talking about Science: 1 Boys and Frogs
“Though boys throw stones at frogs in sport, the frogs do not die in sport, but in earnest”
May 10, 2025
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Arkadiusz Jadczyk
54
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Kronecker generalized deltas and Levi-Civita epsilons
My last post “It’s all about permutations” was a complete failure.
Jan 9
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Arkadiusz Jadczyk
9
3
It's all about permutations
Permutations appear whenever “things are the same, but in a different order.” That simple idea hides a powerful engine that underlies physics, geometry…
Dec 28, 2025
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Arkadiusz Jadczyk
21
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Biolocation
On Tuesday, December 23, Vlad Zhigalov (see e.g.
Dec 27, 2025
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Arkadiusz Jadczyk
18
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Densities
On my math blog:
Dec 21, 2025
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Arkadiusz Jadczyk
14
3
Tensors on a picnic
Gentle introduction
Dec 14, 2025
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Arkadiusz Jadczyk
16
4
Geometric objects
Turtle made a step
Dec 11, 2025
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Arkadiusz Jadczyk
16
4
Journey Through Blogging Fields
From Salon24 to WordPress—In Search of Math, Meaning, and the Universal Mind
Dec 1, 2025
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Arkadiusz Jadczyk
17
3
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