Recently, I was talking about vectors. At that time, I had to stop and recall how I had been representing vectors. Ideally, I should stick with the same notation I used in Basics: Vectors and Vector ...
https://doi.org/10.4169/amer.math.monthly.123.1.82 https://www.jstor.org/stable/10.4169/amer.math.monthly.123.1.82 In this paper a new graphical calculus for ...
A base graph of a matroid is the graph whose points are the bases of the matroid. Two bases are adjacent if they differ by exactly one element. A definition of equivalence of matroids is given and it ...
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