Open System

The personal Substack of Arkadiusz Jadczyk, PhD.

By Arkadiusz Jadczyk

· Launched a year ago

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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Complex Ancestors: How Imaginary Numbers Repair Broken Trees in Mathematics and Physics

From missing husbands and brick walls in genealogy to Krein spaces and quantum theory, a gentle tour of why i and complexification are too useful to be…

Jun 2

32

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How I Started a Fight Between Two AIs and French Wikipedia

I was all set to write about complexification.

May 29

23

5

When “Random” Radioactivity Misbehaves

There are unexplained phenomena in nature.

May 10

24

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When a Maine Coon Meets the Infinite

Recently I got strongly attracted to infinity.

May 3

28

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Later is not necessarily better

It can be even much worse

Apr 28

21

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Dangerous fantasy

From Session 21 March 2026:

Apr 24

29

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Dust, Drafts, and Conformal Symmetry — or: Why Ark Went Quiet

Let me come clean.

Apr 9

27

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