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Walking on π in the NSF Visualization Challenge

Fran Aragón Artacho has emailed to tell us that he and Jon Borwein have entered their image of a walk on the first 100 billion digits of π in the National Science Foundation (of the USA)’s International Science & Engineering Visualization Challenge. Fran says:

Jon Borwein and I have submitted our picture of a walk based on 100 billion digits of pi to a visualisation contest from the NSF (National Science Foundation). The winners will appear in Science (one will be selected for the front cover!). And we have good news: we are one of the 10 finalists in the Illustration category!

Internet Problem Solving Contest

The Internet Problem Solving Contest has just started.

The Internet Problem Solving Contest (IPSC) is an online contest for teams consisting of up to three people. Several problems will be published at the beginning of the competition. Each problem consists of a problem description and two input data sets. To solve a problem you will have to compute correct output data for the given input data sets. Usually this means that you will write a program that solves the problem, but you may produce the output by hand or in any other way.

So it’s very computer-sciencey, in the vein of Project Euler, but there’s some maths required; for example, the “matrix nightmare” problem involves a pretty hefty bit of linear algebra.

Information: Internet Problem Solving Contest

Source: God Plays Dice

UK Open Sudoku and Puzzle Tournaments

Yes, I know Sudoku isn’t really maths, but anyone interested in puzzles might want to know about this event, held in Manchester next week.

The UK Puzzle Association is a non-profit organisation that selects the UK teams for the World Puzzle Championships and World Sudoku Championships, which this year will be held in Kraljevica, Croatia in October. The UKPA’s website is here, and they clearly know their puzzles, since they had nice things to say about PuzzleBomb.

History of Mathematics Undergraduate Essay Prize

The British Society for the History of Mathematics (BSHM) is running an undergraduate essay prize.

The British Society for the History of Mathematics is pleased to invite submissions for its 2011-12 undergraduate essay prize. The essay, which may be on any topic within the history of mathematics, should be between 2000-2500 words. The prize is open to any person who is enrolled as an undergraduate in a UK or Irish university during the academic year 2011-12. The value of the prize will be £100, plus one year free membership of the Society.

The deadline for receipt of submissions is 1st May 2012. Details of how to submit are available on the BSHM website.

Source: BSHM Undergraduate Essay Prize.

Turing-Tape Games: A Challenge in Algorithmic Problem Solving

To mark the Turing centenary (who isn’t?) a new competition has been launched:

To celebrate this centenary, we have developed a collection of one-person games played on a Turing tape.

An example is given on the competition website. According to a set of movement rules, the player must:

Construct a sequence of moves that when begun in a state with one coin on one of the squares of a Turing tape (and all other squares empty) ends with one coin at a displacement of 12 squares from the initial position (and all other squares empty).