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Nested Colored-Dot Symbol System: An Information-Theoretic and Semantic Alternative to QR Codes

Nested Colored-Dot Symbol System: An Information-Theoretic and Semantic Alternative to QR Codes

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9 min read
The whiteboard test: a FAANG-level gate applied to my own learning

The whiteboard test: a FAANG-level gate applied to my own learning

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6 min read
Topological and Ergodic Approaches to the Collatz Conjecture: Rei-AIOS vs. Santana (2026)

Topological and Ergodic Approaches to the Collatz Conjecture: Rei-AIOS vs. Santana (2026)

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7 min read
Braille-D-FUMT8 vs CLIP / BERT / ImageBind: a Rigorous Information-Theoretic Comparison

Braille-D-FUMT8 vs CLIP / BERT / ImageBind: a Rigorous Information-Theoretic Comparison

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6 min read
I Bought a Domain That Used to Sell Viagra. Here's My SEO Recovery Log.

I Bought a Domain That Used to Sell Viagra. Here's My SEO Recovery Log.

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4 min read
A WebGL 3D Cube From First Principles — Handwritten 4x4 Matrices and Visible Shaders

A WebGL 3D Cube From First Principles — Handwritten 4x4 Matrices and Visible Shaders

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3 min read
A Loan Calculator With 元利均等 vs 元金均等 and Prepayment Simulation

A Loan Calculator With 元利均等 vs 元金均等 and Prepayment Simulation

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3 min read
Prime Factorization With Deterministic Miller-Rabin Up to 10^24

Prime Factorization With Deterministic Miller-Rabin Up to 10^24

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3 min read
A Roman Numeral Converter With Step-By-Step Breakdown and Strict Validation

A Roman Numeral Converter With Step-By-Step Breakdown and Strict Validation

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3 min read
To Teach AI How to Remember, First Teach It How to Forget 2/2

To Teach AI How to Remember, First Teach It How to Forget 2/2

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9 min read
Lagrange interpolation: turning points into a polynomial

Lagrange interpolation: turning points into a polynomial

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6 min read
Ricci-Flow Three-Category Classification of Unsolved Math Problems (with 10 -Scale Collatz Census)

Ricci-Flow Three-Category Classification of Unsolved Math Problems (with 10 -Scale Collatz Census)

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7 min read
Erdős-Straus Conjecture as an S-Category Problem (Ricci Flow + Fujimoto Infinity Algebra)

Erdős-Straus Conjecture as an S-Category Problem (Ricci Flow + Fujimoto Infinity Algebra)

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7 min read
A Bill Splitter Where Unit and Rounding Are Orthogonal (They Usually Aren't)

A Bill Splitter Where Unit and Rounding Are Orthogonal (They Usually Aren't)

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4 min read
Digital signatures: Schnorr, ECDSA and how PS3 was hacked

Digital signatures: Schnorr, ECDSA and how PS3 was hacked

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9 min read
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