Numb3rs
This is a blog where a professor from Northeastern University's Math department posts mathematical comments on the television show "Numb3rs". To comment, write to bridger@neu.edu.
Unique visitors since 6/14/2005: 
- Welcome to the Numb3rs blog !!
- Can math really solve crimes?
- TWO WEEKS, TWO MISTAKES, BUT CHARLIE'S OK.
- Primes, Riemann, and Cryptography
- Clay Mathematics Institute
- The Riemann Hypothesis: a personal account
- Fibonacci and Golden Ratio
- Tidbit: Larry and Laura
- Encryption, primes, and RSA
- Poker, pyramid schemes, fingerprints and Schrodinger's cat
- Could it happen?
- Snipers, blue houses and exponential functions
- The Prisoner's Dilemma
- Algorithms
- Mobius strips
- Unopenable door
- Something for Charlie to think about
- The 3N+1 Game
- Mobius belts
- Squishing and squashing
- The Monte Hall Problem
- Markov processes
- Likelihood and impossibility
- More on Monte Hall
- Crossword Puzzle
- More on Structural Corruption
- Clustering
- Guilloche figures
- Reconstructing images
- Judgement Call, Part 1: Decision Theory
- Judgement Call, Part II: Pi and the Buffon Needle Problem
- Remote car door controllers and random number generators
- Farey sequences
- More on car-door controllers
- Shadows, position and sundials
- More about spherical trigonometry
- Tree pruning, accounting and mathematics
- What are vector fields?
- Picture of a vector field
- Disappointment
- Would Charlie have to?
- "The Noisy Edge"
- The mathematics of radar: Part I
- Remark about the math of radar signals
- Radar and polar coordinates
- Diffusion and percolation
- GPS, Cell-phones and Einstein
- Data mining and "Neural Nets"
- Corrections to GPS blog
- Hidden data: Steganography
- A recommended Numb3rs math website
- Steiner points, part I
- Steiner points, part II
- Charlie's contributions
- Steiner construction reconstructed...
- Welcome new friends of math and Numb3rs
- No new Numb3rs tonight
- Emergence Theory and Conway's Game of Life
- More on emergence theory
- Carbon 14 dating
- Voronoi diagrams and Delaunay triangulations
- Fireprints
- Pascal's Law and fire hoses
- Judgement Call blogs
- Quantum Entanglement and Bell's theorem
- The Mandelbrot set
- Binary numbers and cellular automata
- A few extra New Year's thoughts
- A few words about fractals
- Shooting trees and Poisson distributions
- Practice with Poisson
- Blackjack!
- More math tomorrow
- Blackjack systems
- Face Recognition Algorithms
- Friday's episode (1/20/06)
- Face Recognition: difficult cases
- Ramanujan
- Ramanujan bio online
- Some blog glitches fixed
- Surface tension
- Benford's Law
- More on Benford's Law
- Math, Music, and Pentatonic Scales
- Zipf's Law
- Digital Image Processing
- Previous blogs on Sundials and Spherical Trig
- Math fight
- Random Hermitian Matrices
- Non-Math Background on Vietnam
- Social Network Theory (for March 3)
- Does ESP exist?
- Random motion and Fokker-Planck
- March Madness
- Math and March Madness
- The 65th team
- Patterns from footwear
- Logistic regression
- RFIDs and trajectories
- Hidden partitions
- Acoustic fingerprints and the JFK assassination
- Commercial software to hide partitions
- Question about script accuracy
- A walk on the random side
- Tesseracts
- Everything is numb3r?
- Fluid Dynamics
- Rip tides and conservation of mass
- The stuff that dreams are made of
- Paths of bullets
- Numb3rs is starting repeats
- Is 0.99999.... equal to 1?
- Old blogs from last night's repeat
- Units: teras, centis and nanos
- Nanotubes and Bucky Balls
- "Syntel", Enron, and corporate cheating
- Corrections to "Nanotubes and Buckyballs"
- "Spree": Pursuit Curves
- Solving the "4 Bugs Problem"
- More on Pursuit Curves
- Finding Megan: The Trawler Problem
- Must the police boat trace a spiral?
- Analyzing art: part I
- Zero point energy, cycloids
- Walking in cycloids
- More on the Oct. 13 show (Steganography)
- Traffic as a fluid flow
- Randomness, part I
- Randomness part II
- Playing the ponies, part I
- The logic of "Longshot"
- Set theory and blackouts
- Comments on set theory and power outages
- We'll need a sample of your ... stats
- An ear to the ground (reflection seismology)
- A seismologist raises some issues
- Metcalfe's Law
- Face tweaking...
- Art Fraud: a repeat
- Fractal dimension (mostly) and forgeries
- Text recognition algorithms
- Principal Components Analysis reference
- Complements of set theory
- Old blogs, infinities of primes, and New Years
- Example of Euclid's method
- A different proof of the infinitude of primes
- Some genetic materials
- Yacht math (fluid dynamics)
- Old Blogs for "Spree"
- Outliers: Threat or Menace?
- More on outliers (and data-mining)
- Reflections on Light
- Laser mapping, curriculum committees
- The problem with birthdays...
- Kruskal counts
- Piece o' cake
- Recourse to recursion
- Turing machines: first class
- Turing machines: second class
- Turing machines: third class
- Misc:
- A life and death calculation
- Holy rotating hypercubes Batman!
- Big Math and the blog
- On crashes, smudges and strange loops
- Coherence
- Shifting paradigms
- Sabermetrics repeat
- Seismology repeat
- MRI and playing games
- Organizing networks
- Tit-for-tat
- Mandelbrot software
- Greed(y) is good (sometimes)
- Bacon in binary
- Janus not Juno
- Correction about grains of wheat
- The "checkerboard cipher": a guest blog
- More on shortest map routes
- Blog resumes this weekend
- "Trust Metrics" and a new Numb3rs MathSite
- Bend it like Snell
- Sink or float: Archimedes' Law
- "Velocity" comments on Wolfram site
- Past Wolfram Numb3rs Math
- Fibonacci and faith: part I
- Fibonacci and faith: part II
- Listing's Law
- Steganography and un-steganography (clean-up)
- Late blog on "Primacy"
- Taboo searches
- Hero's fountain
- An optimistic perspective
- DZero at NU
- Fractals, and more on faith in science
- Coherence, paradigms, and a toy
- The Chinese Room
- Detecting the detectors
- Finding the camera
- Breaking Point: real estate IDs
- The power of Venn -- again
- Numb3rs and graphic art
- Guest blog: Restoring old recordings
- Short wins
- Listening, but more carefully
- Robin Hood
- "Primacy" repeat
- "Tabu" repeat
- Black Swans etc.
- Comic forgeries
- No math in "End Game"
- Walking on Oobleck
- Gröbner bases
- Charlie stands up for principle
- Vacation
- Locating the diamond thieves
- Distorted reflections
- Science and this election
- Error-correcting codes
- We want to pump you up (part I)
- We want to pump you up (part II)
- "Swarmbots," automata, and chemotaxis
- Weight-watching and Simpson's Paradox
- Reference to Venn diagrams
- Triple shootout: Charlie goofs
- Three-way shootings: There will be blood
- More on three-way shooting
- Bad math repeats...
- Viterbi algorithm
- Repeat of "High Exposure"
- I will be back
- March Madness
- The 65th team
- Shuffle bored?
- SETI: An eye to the sky
- Geographic profiling
- In the spring ...
- Summer and another blog
- The Hangman's Paradox
- Controlling cars and crowds
- Laser imaging
- A forgettable episode
- Moisture, desiccants, and differential equations
- Matching sounds
- Mathless and unfocussed
- Feedback?