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Seminar

Graduate student seminar: "The 4x4 minors of a 5xn matrix are a tropical basis" December 14, 2009
Parent Program: --
Location: MSRI: Baker Board Room
Speaker(s) Melody Chan
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We describe recent work proving that the 4x4 minors of a 5xn matrix are a tropical basis, answering a question of Develin, Santos and Sturmfels. Equivalently, we prove that every 5xn matrix of tropical rank at most 3 has Kapranov rank at most 3. To appear in joint work with Anders Jensen and Elena Rubei.

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