positroid

English

positroid (plural positroids)

(mathematics) A matroid of a real matrix with nonnegative maximal minors
- 2015, Nicolas Ford, “Geometric Shifts and Positroid Varieties”, in arXiv‎:
  Finally, we give a way of producing a number for each matroid variety called its expected codimension that can be computed combinatorially solely from the matroid itself and show that it agrees with the actual codimension in the case of a positroid variety.

单词	positroid
释义	positroid English Noun positroid (plural positroids) (mathematics) A matroid of a real matrix with nonnegative maximal minors 2015, Nicolas Ford, “Geometric Shifts and Positroid Varieties”, in arXiv‎: Finally, we give a way of producing a number for each matroid variety called its expected codimension that can be computed combinatorially solely from the matroid itself and show that it agrees with the actual codimension in the case of a positroid variety.
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