positroid

名词 n.

英文释义

名词 n.
  1. A matroid of a real matrix with nonnegative maximal minors
    — 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.

词形变化

positroids plural
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