id: 05873835 dt: j an: 05873835 au: Hatami, Hamed; Norine, Serguei ti: Undecidability of linear inequalities in graph homomorphism densities. so: J. Am. Math. Soc. 24, No. 2, 547-565 (2011). py: 2011 pu: American Mathematical Society, Providence, RI la: EN cc: ut: graph homomorphism density; quantum graph; decidability; Artin’s theorem ci: li: doi:10.1090/S0894-0347-2010-00687-X