Kaomojis
〰️P₁⊕P₂
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#algebraic geometry
#divisor on curve
#formal sum points
#curve divisor
#intersection points
#scheme theory
💎×ₓ📜
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#fiber product
#scheme theory
#algebraic geometry
#pullback
#relative product
#cartesian square
#base change
#universal property
#algebraic geometry #divisor on curve #formal sum points #curve divisor #intersection points #scheme theory