Homepage of Jaap Spies
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Some information, if you really want to know: Personal
Retired Mathematics Teacher/College Lecturer and Computer Scientist.
My Permanent Formula
An overwiew of my algorithm from 2003 until now.
In the NAW 5/21 nr. 1 march 2020 there is an article "A formula for the permanent".
Sailing in a Dutch Traditional 'Vollenhovense Bol 8.50 m'.
Unix/Linux. Open Source. Raspberry Pi.
Programming in Python and Sage.
Sage is a free open-source mathematics software system.
Solving Mathematical Problems
OEIS, The On-Line Encyclopedia of Integer Sequences.
Search for Jaap Spies
Publishing Books, New!
Sage Days 6 in Bristol.
See my pictures Day 1, Day 2, Day 3, Day 4, Day 5, Day 6 (extra)
Sailing at the 5ECM.
Sage Days 10 in Nancy. Some photos.
Sage Days 23 in Leiden. Official website Lorentz Center.
Spies Sage Development Prize
See my bookmarks
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