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Wed 30 Apr 2008, 5:30pm–7:00pm

Where: Lecture Theatre SLT1, 38 Princes St, Auckland Central

Ticket Information:

  • Admission: Free

Listed by: Emma Timewell

The worldwide popularity of Sudoku has given rise to many different responses. Sir Michael Atiyah (the second Forder Lecturer) remarked that he was pleased to see so many people engaging with mathematical problems each day, but was taken to task by some who think that it’s reasoning and logic that are required and not mathematics.

The number of essentially different filled Sudoku grids that can be found using a computer search is 5,472,730,538. By contrast, there is a version called "symmetric Sudoku", which has just two different solutions. These can be found using ideas from finite geometry and coding theory. In fact, mathematicians have been thinking about structures like Sudoku since long before the invention of the puzzle in 1979.

Peter Cameron is Professor of Mathematics at Queen Mary College, University of London. He is the 2008 Forder Lecturer, a Lectureship awarded every two years by the London Mathematical Society for an eminent mathematician from the UK to tour New Zealand.

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