Tanya Khovanova's Home Page

Random Quote The average pencil is seven inches long, with just a half-inch eraser - in case you thought optimism was dead. - Robert Brault

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• My Math Blog (you can leave comments there) (updated every week). These are the most popular essays (between 5,000 and 110,000 visits):
  • Divisibility by 7 is a Walk on a Graph, by David Wilson August 11, 2009
  • The Odd One Out October 4, 2009
  • My IQ December 9, 2008
  • The Greatest Mathematician Alive March 20, 2010
  • A Probabilistic Paradox November 19, 2011
  • Should You Date a Mathematician? March 5, 2009
  • A Nerd’s Way to Walk Up the Stairs June 8, 2011
  • Hiring the Smartest People in the World May 1, 2012
  • What Does It Take to Get Accepted by Harvard or Princeton? July 8, 2009
  • Divisibility by 7 is a Walk on a Graph. II, by David Wilson August 1, 2010
  • Time for Nerdy Humor September 23, 2011
  • Back-to-School Funny Pictures September 25, 2008
  • The Dirtiest Math Problem Ever (Rated R) September 3, 2009
  • A Son Born on Tuesday April 9, 2010
  • Math, Love and Immortality December 27, 2010
  • One-Way Functions November 3, 2010
  • Is There Hope for a Female Fields Medalist? April 19, 2009
  • Scary Coins June 16, 2010
  • The Odder One Out December 22, 2009
  • How to Boost Your Guessing Accuracy During Tests january 25, 2010
  • Wise Men Without Hats February 19, 2010
• Essays from My Math Blog. All essays together on the same page (you can't leave comments here)
• Math Competition Training
• How to Create a New Integer Sequence
• My Career
  • My Text Resume
  • My Picture Resume
  • List of Publications
  • My Sequences — the sequences I submitted to OEIS.
• My Talks, including the most popular ones:
  • Integers and Sequences
  • Set Game Theory
  • Clifford Algebras and Graphs
  • Binary Numbers
  • Divisibility
  • Topology and Art
  • Lottery Mathematics
  • Math Party
• Recursive Sequences
• Advanced Dictionary Search — Using this program, you can find words with different properties.
• Math Humor
  • Funny Math Pictures
  • Reasons My Kids, Alexey and Sergei, Do not Do Their Homework
  • My teacher said
  • How do they do it
  • Light Bulb Jokes
  • Math Jokes
  • Programmer Jokes
• Word Game — Enter a word and I will tell you smaller words which can be made from its letters.
• Reviews of Fun Math Stuff — Great books and toys of mathematical entertainment.
  • Fun Math Books Reviews — Fun math books for kids and adults
  • Math Toys Reviews — Fun math toys for kids and adults
  • Relationship and Self-Help Books Reviews ( November 2008)
  • Dance Movies Reviews
  • Dance Exercise DVDs Reviews ( September 2008)
• Why Did the Chicken Cross the Road? — "Why did the chicken cross the road?" game. Now with a Java applet that lets you check your answers!
• Number Gossip! — Enter your favorite number and I will tell you many surprising things about it
• My Favorite Puzzles — Here I post my favorite puzzles
  • Puzzles with Two Children
  • Puzzles for Programmers
  • Counting Information
  • Hat Problems
  • Miscellaneous
• MSU "Coffin" Problems — Tricky math problems for high school graduates.
• Russian License Plates — License plates which correspond to Russian words
• Funny Pictures — Real pictures of funny places
• Links and Interests

External Links

• Alexey Radul's webpage
• Math Alive — A fun math course at Princeton University, where I was a part of the design team

Contact me.

This document is last modified Thursday, 11-Jun-2015 11:06:02 PDT