The Curious Engineer

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2005–2007

496 posts

2008–2026 →

2007 165

December 2007

  1. Formal knot theory, III: a twisted 5-cube
  2. Formal knot theory, II: winding numbers and antimatroidality
  3. Formal knot theory, I: a bad proof
  4. Last carnival of the year
  5. Balboa Pier
  6. Get the lead out
  7. 3d rendering difficulty
  8. Recent reading roundup
  9. Carnival 22
  10. The many faces of the Nauru graph
  11. How to criticize computer scientists
  12. Congratulations, Dr. Carlson!
  13. Allegedly tough to be a Republican in the academy
  14. The topcoders count isosceles triangles
  15. Vingt-et-un

November 2007

  1. Two topology blogs
  2. SODA hotels?
  3. Joshua Tree
  4. O'Rourke at Swarthmore
  5. Halloween photos
  6. Six recent arXiv papers

October 2007

  1. Dual associahedron
  2. AAAS Fellows
  3. New record Turing machine
  4. Some hints for mathematical writing
  5. More on cubic symmetric graphs
  6. Math spam
  7. Teach your students well
  8. Cubic symmetric xyz graphs
  9. The photon/XOR system
  10. Blum-style analysis of Quickselect
  11. Conference on Topological and Geometric Graph Theory
  12. Math on the Midway
  13. Math Fun Facts
  14. Bowtie-minor-free graphs
  15. MeFi goes geometric
  16. Batting averages

September 2007

  1. Surfaces for symmetric groups
  2. Andy's triangles
  3. The Topology of Orthogonal Graph Drawing
  4. A different kind of permutation polyhedron
  5. Google mail tip
  6. FOCS hotel
  7. Lucky 17
  8. Keeping the US safe from musicologists
  9. University Hills party
  10. SODA accepts
  11. Carnival
  12. Geometry of partial cubes
  13. Shorter Koblitz
  14. Vietoris–Rips complexes are Čech complexes

August 2007

  1. Science under Big Brother
  2. Another set of WADS talk slides
  3. Not the multinomial coefficients
  4. The new face of terror
  5. Uh oh
  6. Euler Archive
  7. Photo from Halifax
  8. Straggler detection slides
  9. Media Theory
  10. London photos: better late than never
  11. Bugfixes
  12. Double spirals as pseudolines
  13. Was sind und was sollen die Pseudogeraden?

July 2007

  1. Biker theorist
  2. Web mail connection security
  3. Prague
  4. From the Department of Redundancy Department
  5. Vienna photos
  6. Photos from Slovenia and notes from Vienna

June 2007

  1. Japanese-Slavic culinary innovations
  2. Geometry of partial cubes
  3. Open problem garden and a pointed pseudotriangulation problem
  4. Two math videos
  5. Programming in theory class
  6. Cute problem related to integer sorting
  7. Not invented here
  8. Carnival
  9. Bomun
  10. Recent journal papers
  11. ESA accepts
  12. Conference reviewing procedure
  13. A biased coin
  14. 당근 쏭 (carrot song)
  15. Sausage and Buddhist temples
  16. Mathematical art blog
  17. Carnival

May 2007

  1. Econ ready for a shakeup?
  2. Recognizing xyz graphs is hard
  3. Universal Turing machines
  4. Geometric complexity theory
  5. Carnival eight
  6. Triangles, squares, and pentagons
  7. Partial cube recognition in PADS
  8. World Fair
  9. Counting guillotine partitions
  10. Partial cube recognition
  11. Lucky seven
  12. Edges and Switches, Tunnels and Bridges

April 2007

  1. Algorithm March with Ninjas
  2. Forced open access
  3. Another reason to avoid commercial journal publishers
  4. WADS accept list, and two new arxiv uploads
  5. Computational cameras
  6. Wayzgoose
  7. Graph Drawing call for papers
  8. Another fortnight, another carnival
  9. Ren Faire
  10. Graph file formats
  11. Houdini's trick, implemented
  12. Infosthetics
  13. ICALP acceptances
  14. Carnival
  15. Triangular numbers with many factors
  16. Robust statistics and partial cubes

March 2007

  1. Ugly numbers?
  2. Carnival of Mathematics
  3. Fano down
  4. Smooth pairs
  5. Visibility graph
  6. Algorithm education in Python
  7. Email woes
  8. Størmer's algorithm
  9. Fermat talk at UCI
  10. The range-restricted Hamming problem
  11. Venn diagrams
  12. Hamming's problem
  13. Main page
  14. Carnival
  15. Not talking about polar bears
  16. Visualizing the space of linear threshold functions
  17. Pentathlon math
  18. Snakes, birthdays, and color calibration
  19. Two new blogs, two unsolved problems

February 2007

  1. Carnival
  2. WADS submission deadline extended
  3. Two partial cubes from one antimatroid
  4. STOC acceptances
  5. Pruning antimatroids is hard
  6. Shelling and pseudotriangulation
  7. Fixed Earth
  8. Wikipedia and interesting numbers
  9. Carnival
  10. Venkataraman primes
  11. Going to Korea
  12. Aspect ratio and image size
  13. Peer review and self-publication
  14. Carnival
  15. Risky plagiarism
  16. Office furniture

January 2007

  1. Recognizing bisectable trees
  2. To cite or not to cite
  3. Unscientific
  4. Even greedy expansion
  5. Gehry gone
  6. Recognized authority
  7. Phyllotaxis
  8. Subgreedy Egyptian Expansions
  9. Continued gender bias in science
  10. Retrograde Analysis for Sandpiles
  11. Day Two (Monday Morning Madness)
  12. The Big Easy
  13. Strange leaps of logic
  14. Windy Hill
  15. Cake Train

2006 206

December 2006

  1. Mendocino
  2. Several species of small furry animals
  3. Old plagiarists never die
  4. Some Christmas photos
  5. Infinite odd Engel expansions
  6. Sieving for factorizations
  7. Modular Egyptian fractions
  8. Borges and Chaitin
  9. Egyptian fractions with small denominators
  10. Manhattan orbifolds
  11. Intelligent design moves on from biology to theoretical CS
  12. The tree didn't stay decorated long
  13. An Egyptian fraction non-algorithm
  14. Primes and Subsequences

November 2006

  1. Joshua tree again
  2. Slovenia in the summertime
  3. Plane configurations from pairs of lines
  4. More configurations
  5. More on configurations
  6. We're hiring!
  7. Useless graph theory result #421965

October 2006

  1. Color illustrations
  2. Geometry in Hollywood
  3. Halloween party
  4. A partial answer to my periodic tiling coloring question
  5. Embedding the Gray Graph in a hypercube
  6. Arrest-the-messenger politics and academic CS
  7. Icarus
  8. Pumpkin shopping time again
  9. Stable, maybe, but marriage?
  10. Concepts, bicliques, and sparsity
  11. New school
  12. A projective configuration
  13. Flip graph paper
  14. Coordinates for associahedra?
  15. Another gratuitously-nonplanar drawing
  16. A tale of two graph drawings
  17. University campuses and network censorship
  18. Automata-theoretic algorithms in online gaming
  19. Keeping Hardy spinning in his grave
  20. Happy endings for flip graphs
  21. Big batch of family photos
  22. Point sets with no empty quadrilateral
  23. Navier-Stokes

September 2006

  1. Engel expansion
  2. Induced but not isometric
  3. More LJ syndication
  4. Grid flip graphs are partial cubes
  5. Triangulations of a 3x3 grid
  6. Another view of the 3x3 flip graph
  7. Graph drawing, day two
  8. Graph drawing, final day
  9. Triangulations of points on two lines
  10. Connectivity in high dimensional grids
  11. Periodic coloring of tilings
  12. Five years
  13. Color space embedding
  14. New homes for old papers; 4OSME
  15. Neural nets and Sudoku

August 2006

  1. A little too close to home
  2. Antimatroids as algebras
  3. Strange mice
  4. Two great tastes that...maybe not
  5. Dead trees
  6. Plagiarism in theses
  7. Mostly Harmless
  8. Not the middle ages
  9. Jungle mural
  10. Algorithmic art
  11. U. Hills BBQ
  12. Chose my new office
  13. Bren Hall walk-through
  14. Three recent posts on TCS and peer review
  15. Zero-knowledge Sudoku
  16. Mathematical storytelling
  17. Uh oh
  18. Give them what they want

July 2006

  1. Cubical teabags
  2. The face of terror, redux
  3. Slight positive curvature
  4. Kittens
  5. Trees with Convex Faces and Optimal Angles
  6. Graph Drawing accepts
  7. Congratulations, Dr. Augustine
  8. The end of the summer fun
  9. Bren Hall construction
  10. Upright-quad drawing
  11. Three in at Graph Drawing
  12. Blackberrying
  13. Congratulations, Dr. Sun
  14. Photos from Mendocino
  15. Rafting photos
  16. The other side of the lens
  17. Dilworth in PADS
  18. July Fourth Parade
  19. Rafting on the American River
  20. Welcome to a new theorist

June 2006

  1. Sniping and fair auctions
  2. Flag Day
  3. ESA accepted papers
  4. Drawings with few slopes
  5. Reverse search for antimatroids
  6. Two great tastes that taste great together
  7. Flow Maps
  8. Ambiguously xyz
  9. Academic freedom
  10. Wine bottle abstract
  11. Saved by the focus button
  12. CiteULike
  13. st-orientation and xyz graph recognition
  14. 3-coloring and xyz graphs
  15. Theory BBQ
  16. Topology of xyz graphs
  17. A multicolored checkerboard
  18. Vista Verde Spring Concert
  19. A projective plane in a 3d grid
  20. Think color perception is objective?
  21. Schrödinger's what?
  22. Paper vote
  23. Inverted permutohedra
  24. Chickenpox
  25. Cinderella

May 2006

  1. Formula tattoo
  2. Death of Usenet predicted
  3. Candy Store Hike
  4. Slideshow lookahead
  5. The face of terror
  6. Mustard
  7. Noncommutative Geometry
  8. Two more little league games
  9. Deometry
  10. Graph Drawing CFP
  11. The end of the softball season
  12. Fusc
  13. Asymptotics and Poker
  14. Hyperbolic Chamber
  15. This weekend's softball
  16. Football math
  17. Two more softball games

April 2006

  1. International Day
  2. Math is delicious
  3. Alabama graph theory clique
  4. Pixel noise fingerprinting
  5. Wayzgoose and my office
  6. Similar triangle inversion
  7. Two more Little League games
  8. Rexa
  9. Two softball losses
  10. Hyperbolic
  11. Time to change my name to Aaronson
  12. Spamity
  13. Prime partition
  14. Squarepants in a tree
  15. More softball photos
  16. Obsolete submission format requirements
  17. Another theory blog
  18. Soda
  19. Kruskal in PADS
  20. Freeway Series

March 2006

  1. Swat
  2. One day early
  3. Sudoku math on TV
  4. Ernie on LJ
  5. TrustFlow
  6. Trompe l'oeil trucks
  7. Bizarre criteria for plagiarism
  8. Different values of \(\pi\)
  9. Fishy fishy fishy fish
  10. Miquel's Six Circles in 3d
  11. An art gallery like problem
  12. RSS evangelism
  13. Symmetric central limits
  14. Little League
  15. More softball photos
  16. Area and perimeter preserving maps of quadrilaterals
  17. New math blog
  18. Happy Pi Day!
  19. Zag numbers
  20. Softball season begins
  21. Speaking of namesakes
  22. Can't they spell my name right?
  23. Counting nonzero bits
  24. Fave photos
  25. When anonymice are outlawed, only outlaws will comment?
  26. A local central limit theorem?
  27. A Harry Potter birthday party
  28. Diffraction analysis for Sudoku
  29. Different entropies

February 2006

  1. I've reached 200 photos on Flickr!
  2. Fano updated
  3. Farthest neighbors and triangle strips
  4. First they came for the evolutionary biologists...
  5. Intelligent cosmology redux
  6. When averages are misleading
  7. Data compression blog

January 2006

  1. SODA roundup
  2. Visual complexity
  3. Acceptance probability
  4. In retrospect, this should have been obvious
  5. Another day, another climate
  6. Escape from OC
  7. Counterexample to Ádám
  8. Adobe Lightroom
  9. Flickr
  10. Photos from Mendocino
  11. Minimum Weight Triangulation is NP-hard

2005 125

December 2005

  1. ZeFrank's alphabet
  2. Christmas snapshots
  3. Psychadelic Posters and Google
  4. UCI campus architecture and typography
  5. Fano upgraded
  6. Holiday concert
  7. Tulane
  8. Intelligent historical linguistics
  9. Sawdust Festival and Christmas Kids

November 2005

  1. The monotone formula game
  2. Sudoku research highlighted
  3. Scholasticism
  4. Why? Just because.
  5. New eprint RSS feeds
  6. Endangered species
  7. Indian Cove
  8. Thunderbird
  9. Sudoku triple threat bug
  10. Anatomy
  11. A number-theoretic TSP
  12. Comic strip time
  13. Jack-o-lanterns
  14. The rest of the Halloween costume photos
  15. Breasts not bombs
  16. Tag Cloud
  17. Google Print has an early success
  18. Confluent drawing paper published
  19. Peer review
  20. Boo Bash

October 2005

  1. Incompetent design
  2. All they wanted to do was pumpkins
  3. Eukleides
  4. Hamster Sudoku
  5. Find
  6. O'Neill Regional Park
  7. Complexity theory and Sudoku
  8. Assuming uniqueness in deductions
  9. Two papers: simplicial arrangements and graph drawing
  10. Updates to proofs of Euler's formula
  11. Bad Math
  12. Delta-confluent drawing paper up
  13. Dame Evelyn Stokes
  14. Photos from Sara's birthday party
  15. Ijuc
  16. Algorithm fantasy
  17. Erdős numbers extended
  18. Small world graphs
  19. Single-digit Sudoku rules
  20. Making change
  21. A planar graph with nonconfluent complement
  22. Newsmap

September 2005

  1. Dark matter
  2. A confluent complement
  3. Confluent tournament
  4. A kaleidoscope of simplicial arrangements
  5. Time machine
  6. A stopped tribble is right twice a day
  7. Fano update
  8. The map is not the territory
  9. Cabaret photos
  10. Blog search and graph drawing
  11. Now that be a fine theorem
  12. Empty hexagon
  13. Scones
  14. Photos from Ireland
  15. Simplicial pseudoline arrangements
  16. Limerick
  17. Delta-confluent talk slides
  18. Graph Drawing, day 2
  19. Tag list
  20. Limited connectivity
  21. Mix and match
  22. Simplicial arrangements with few slopes
  23. SODA accepted paper list
  24. Seventeen centuries of ID debate
  25. Geometric thickness of bounded degree graphs
  26. Infinite families of simplicial arrangements
  27. SODA and other theory conferences
  28. Zonohedra and cubic partial cubes
  29. People are identical, only the filters of education distinguish them
  30. Intelligent cosmology
  31. RSS feeds for algorithm journals?
  32. Livejournal and CSS

August 2005

  1. Kepler's
  2. Meta h
  3. Update to PADS; concave 1d dynamic programming
  4. Arxiv trackbacks
  5. Egyptian fractions
  6. We're number 47!
  7. Photographic typography
  8. Google meme observatory
  9. Ambigrams
  10. Reproductive and academic productivity
  11. Combinatorial group testing slides
  12. Astronomy links
  13. Optimal subtrees
  14. Moving on from biology to chemistry...
  15. The colors of mathematics
  16. What is the dimension of the set of partitions?
  17. Tree of life
  18. Tumbling gym party photos
  19. Update to publist
  20. Another partial cube of partitions
  21. Big database of graph families
  22. Partial cubes from binary partitions
  23. Two trees on integer partitions
  24. Integer partitions
  25. Mindmap
  26. Mathematics made difficult
  27. Some Early English Fragments
  28. Illustration software
  29. Maps on the internet
  30. STOC CFP

July 2005

  1. Painter of light
  2. Shameless egotism
  3. Bernar Venet
  4. Camp Surf
  5. CCCG online proceedings
  6. Odd Core
  7. Mendocino Headlands
  8. Talk slides from Pisa
  9. Golly
  10. Updated Python library: Repetitivity, Sudoku
  11. Big batch o' papers
  12. Fuente art car

2008–2026 →