files / problems / caccetta-haggkvist-k3 / compute / certs / f4_certificate.json
{
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"method": "F4 flag-algebra Farkas certificate: Q\u227d0 on the 8\u00d78 \u03b2-flag Cauchy\u2013Schwarz slices, plus out-regularity, order-3 induction, and the CSS-fork inequality. Matrices independently rebuilt in flags4.py / ind_fork.py and matched to Hladk\u00fd\u2013Kr\u00e1l'\u2013Norin Combinatorica 37 (2017) Tables 1\u20132 and (4.14)\u2013(4.15).",
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