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(2009) From combinatorics to philosophy, Dordrecht, Springer.
We sketch the outlines of Gian Carlo Rota's interaction with the ideas that Hermann Grassmann developed in his Ausdehnungslehre[13, 15] of 1844 and 1862, as adapted and explained by Giuseppe Peano in 1888. This leads us past what Gian Carlo variously called Grassmann-Cayley algebra and Peano spaces to the Whitney algebra of a matroid, and finally to a resolution of the question "What, really, was Grassmann's regressive product?". This final question is the subject of ongoing joint work with Andrea Brini, Francesco Regonati, and William Schmitt.
Publication details
DOI: 10.1007/978-0-387-88753-1_5
Full citation:
Crapo, H. (2009)., An algebra of pieces of space — Hermann Grassmann to Gian Carlo Rota, in E. Damiani, V. Marra & F. Palombi (eds.), From combinatorics to philosophy, Dordrecht, Springer, pp. 61-90.
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