Walter Trump (born 1952 or 1953 ) is a German mathematician and retired high school teacher. He is known for his work in
recreational mathematics
Recreational mathematics is mathematics carried out for recreation (entertainment) rather than as a strictly research and application-based professional activity or as a part of a student's formal education. Although it is not necessarily limited ...
.
He has made contributions working on both the
square packing problem and the magic tile problem. In 1979 he discovered the optimal known packing of 11 equal squares in a larger square, and in 2003, along with
Christian Boyer
Christians () are people who follow or adhere to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. The words ''Christ'' and ''Christian'' derive from the Koine Greek title ''Christós'' (Χρισ ...
, developed the first known
magic cube
In mathematics, a magic cube is the 3-dimensional equivalent of a magic square, that is, a collection of integers arranged in an ''n'' × ''n'' × ''n'' pattern such that the sums of the numbers on each row, on each co ...
of order 5.
In 2012, Trump ''et al.'' described a model for retention of liquid on random surfaces.
[
]
In 2014, he and
Francis Gaspalou were able to calculate all 8 × 8
bimagic squares.
[Notes on Magic Squares and Cubes](_blank)
by Walter Trump
Until he retired in 2016, Trump worked as a teacher for mathematics and physics at the
Gymnasium in
Stein, Bavaria
Stein (East Franconian: ''Schdah'') is a town in the district of Fürth, in Bavaria, Germany. It is situated 7 km south of Fürth, and 7 km southwest of Nuremberg (centre).
Geography
Stein is located in the metropolitan area Nürnbe ...
.
References
External links
Walter Trump's pages on magic seriesWalter Trump's listings on the OEISWalter Trump's solutions for one of Martin Gardner's puzzles
Scientists from Bavaria
20th-century German mathematicians
Recreational mathematicians
Living people
Year of birth missing (living people)
21st-century German mathematicians
People from Fürth (district)
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