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Hank Scorpio's user avatar
Hank Scorpio's user avatar
Hank Scorpio's user avatar
Hank Scorpio
  • Member for 4 years
  • Last seen more than 1 year ago
  • Cypress Creek
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awarded
 Yearling
asked
Confusion with the genus of a curve $Y$ in a ruled surface $X\to C$ such that $Y\to C$ is inseparable
awarded
 Critic
awarded
 Citizen Patrol
comment
Derivative of dual isogeny is pullback on $H^1$
@PiotrAchinger aha, that's quite nice. Thanks for the insight.
asked
Derivative of dual isogeny is pullback on $H^1$
awarded
 Scholar
awarded
 Supporter
comment
Hartshorne's proof of Halphen's theorem
Dear YJ_cat, thank you very much for your informative answer. The diagram in particular was a great help to my understanding.
accepted
Hartshorne's proof of Halphen's theorem
awarded
 Student
asked
Hartshorne's proof of Halphen's theorem
awarded
 Informed