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Can you give an example of two projective morphisms of schemes whose composition is not proj...

Grothendieck and Dieudonné prove in $EGA_{II}$ (Proposition 5.5.5.(ii), page 105) that if $f:X\to Y, g:Y\to Z$ are projective morphisms of schemes and if $Z$ is separated and quasi-compact, or if t …
Georges Elencwajg's user avatar