Tag Archives: matrix cone

Chen-Kou-Lyu theory: I. Convex cones in finite dimensions and their cross-dual matrix cones

Posted on September 20, 2026 by jgl

In the July 2026 post, I explained how Yuxu Chen, Hui Kou and Zhenchao Lyu managed to show that the category of RB-domains is a proper subcategory of that of FS-domains, solving a long-standing open problem. At the end of … Continue reading →

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FS≠RB

Posted on July 14, 2026 by jgl

Great news this month! Yuxu Chen, Hui Kou and Zhenchao Lyu, from the University of Sichuan in Chengdu, have finally cracked the problem whether FS-domains and RB-domains are the same notion, and they are not. This problem had been open … Continue reading →

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