Ernie's Leisure Code
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  • May 19, 2025

    Self-Reinforcing Free Throw Probability: Exactly 50 Makes in 100 Shots

  • May 19, 2025

    Russian Roulette: Optimal Strategies Across Four Variants

  • May 19, 2025

    Probability of Strictly Increasing Dice Rolls

  • May 19, 2025

    Gambler’s Ruin: Reaching the Goal Before Going Broke

  • May 19, 2025

    Galton–Watson Branching Process: Will the Amoebas Die Out?

  • May 19, 2025

    Derangement Puzzle: When Every Letter Goes Wrong

  • May 19, 2025

    Dart Game and Conditional Probability

  • May 19, 2025

    Probability That a Cube Ends in 11

  • May 19, 2025

    Candies in a Jar: Probability of Final Red Draw with Remaining Blue and Green

  • May 19, 2025

    Birthday-Line Puzzle: When to Stand in Line

  • May 19, 2025

    Bayes' Theorem and the Double-Headed Coin

  • May 19, 2025

    Alternating Coin Toss Game: Who Wins on HT?

  • May 19, 2025

    All-Girl World Reproduction Puzzle

  • May 19, 2025

    Aces in a Bridge Deal: Equal Distribution

  • May 18, 2025

    Why √2 Is Irrational: A Classic Proof

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Ernie's Leisure Code

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Ernie Chang is a quantitative researcher and PhD candidate working at the intersection of high-frequency trading, market microstructure, and machine learning. His work spans execution-aware alpha modeling, reinforcement learning for trading strategies, and adversarial perspectives on network security, with publications in leading IEEE venues.