Archives

An exploration of Gale, interlaced graphs, and a complete implementation in bash and lisp.

An exploration of Domineering, surreal numbers, and a complete implementation in bash and lisp.

An exploration of Hackenbush, surreal numbers, and a complete implementation in bash and lisp.

An intercepted extrasolar transmission containing a terrestrial analysis of human vertical gradient formation.

An exploration of Goofspiel, mixed strategies, and a complete Bash implementation.

An exploration of Wuzi Qi, proof-number search, and a complete Bash implementation.

A script written in Magma to search for difference sets and almost difference sets in finite fields.

An exploration of NIM, combinatorial game theory, and a complete Bash implementation.

An exploration of Dots and Boxes, combinatorial game theory, and a complete implementation in bash and lisp.

An exploration of Dawson's Kayles, combinatorial game theory, and a complete implementation in bash and lisp.

A quick note and code snippet demonstrating how to generate keys and encrypt or decrypt messages using Python's cryptography library.

A complete Asteroids clone written in Python using the simplegui library for CodeSkulptor.

A complete Blackjack game written in Python using the simplegui library for CodeSkulptor.

A small Racket/Scheme script using the 2htdp/image library to recursively generate a simple circle fractal.

A quick note and code snippet for a simple command-line phonebook application in Python that reads and writes to a CSV file.

A simple 'Guess the Number' game written in Python using the simplegui library for CodeSkulptor.

A Python implementation of a LISP/Scheme interpreter, modeled after Peter Norvig's lis.py.

A complete Memory puzzle game written in Python using the simplegui library for CodeSkulptor.

A small interactive simulation in Racket using the 2htdp/universe library that spawns falling raindrops on mouse clicks.

An interactive command-line/GUI text editor implementation in Racket using the 2htdp/universe library.

A quick demonstration of how to factor a polynomial over a finite field using Berlekamp's algorithm in Sage.

A demonstration of how to write and plot a natural cubic spline interpolation algorithm using Numpy and SageMath.

Notes from China: Bibliography.

The introduction and strategic framework.

The first stratagem: Deceive the Heavens to Cross the Ocean.

The tenth stratagem: Hide a Knife Behind a Smile.

The eleventh stratagem: Sacrifice the Plum Tree to Preserve the Peach Tree.

The twelfth stratagem: Lead Away a Goat in Passing.

The thirteenth stratagem: Beat the Grass to Startle the Snake.

The fourteenth stratagem: Borrow a Corpse to Resurrect the Soul.

The fifteenth stratagem: Lure the Tiger Out of the Mountains.

The sixteenth stratagem: In Order to Capture, One Must Let Loose.

The seventeenth stratagem: Cast Out a Brick to Secure Jade.

The eighteenth stratagem: Defeat the Enemy by Capturing Its Chief.

The nineteenth stratagem: Remove the Firewood from Under the Pot.

The second stratagem: Besiege Wei to Rescue Zhao.

The twentieth stratagem: Disturb the Water to Catch a Fish.

The twenty-first stratagem: The Golden Cicada Sloughs off Its Shell.

The twenty-second stratagem: Shut the Door to Catch the Thief.

The twenty-third stratagem: Befriend a Distant State While Attacking a Neighbor.

The twenty-fourth stratagem: Obtain Safe Passage to Conquer the State of Guo.

The twenty-fifth stratagem: Replace the Beams with Rotten Timbers.

The twenty-sixth stratagem: Sacrifice the Plum Tree to Preserve the Peach Tree.

The twenty-seventh stratagem: Feign Madness but Keep Your Balance.

The twenty-eighth stratagem: Remove the Ladder Once the Enemy Has Ascended to the Roof.

The twenty-ninth stratagem: Deck the Tree With False Blossoms.

The third stratagem: Kill with a Borrowed Knife.

The eleventh stratagem: Make the Host and the Guest Exchange Roles.

The thirty-first stratagem: The Beauty Trap (Honey Trap).

The eleventh stratagem: The Empty City Stratagem.

The eleventh stratagem: Let the Enemy's Own Spy Sow Discord in the Enemy Camp.

The thirty-fourth stratagem: Inflict Injury On One's Self to Win the Enemy's Trust.

The eleventh stratagem: Chain Stratagems.

The eleventh stratagem: If All Else Fails, Retreat.

The eleventh stratagem: Chen Ping's First Strategy.

The thirty-eighth stratagem: Chen Ping's Second Strategy.

The thirty-ninth stratagem: Chen Ping's Third Strategy.

The fourth stratagem: Wait at Leisure While the Enemy Labors.

The fourtieth stratagem: Chen Ping's Fourth Strategy.

The fourty-first stratagem: Chen Ping's Fifth Strategy.

The fifth stratagem: Loot a Burning House.

The sixth stratagem: Make a Feint in the East While Attacking in the West.

The seventh stratagem: Create Something out of Nothing.

The eighth stratagem: Openly Repair the Gallery Roads, but Sneak Through the Passage of Chencang.

The ninth stratagem: Watch the Fires Burning from Across the River.

A script written in Magma to search for 1 1/2-designs in cyclic codes, which correspond to directed strongly regular graphs.

A script written in Magma computational algebra system to search for incidence structures and difference sets in non-Abelian groups.