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#mapping class group
#teichmüller
#groups
#surfaces
#manifolds
#metric
#hyperbolic
#geometry
#topology
#mathematics
#maths
#instantons
#andreas floer
#homology
#cliff taubes
#simon donaldson
#ed witten
#mathematics
#maths
#symplectic
#surgery
#paul heergard
#paul heegard
#topology
#dynamical systems
#symplectic topology
#andrew casson
#william thurston
#henri poincaré
#zoltan szabo
#vladimir i arnold
#joshua david greene
#manifolds
#surfaces
#seifert surface
#max dehn
#knots
#torus knot
#homology sphere
#lens space
#instantons
#andreas floer
#homology
#cliff taubes
#simon donaldson
#ed witten
#mathematics
#maths
#symplectic
#surgery
#paul heergard
#paul heegard
#topology
#dynamical systems
#symplectic topology
#andrew casson
#william thurston
#henri poincaré
#zoltan szabo
#vladimir i arnold
#joshua david greene
#manifolds
#surfaces
#seifert surface
#max dehn
#knots
#torus knot
#homology sphere
#lens space
#instantons
#andreas floer
#homology
#cliff taubes
#simon donaldson
#ed witten
#mathematics
#maths
#symplectic
#surgery
#paul heergard
#paul heegard
#topology
#dynamical systems
#symplectic topology
#andrew casson
#william thurston
#henri poincaré
#zoltan szabo
#vladimir i arnold
#joshua david greene
#manifolds
#surfaces
#seifert surface
#max dehn
#knots
#torus knot
#homology sphere
#lens space
#instantons
#andreas floer
#homology
#cliff taubes
#simon donaldson
#ed witten
#mathematics
#maths
#symplectic
#surgery
#paul heergard
#paul heegard
#topology
#dynamical systems
#symplectic topology
#andrew casson
#william thurston
#henri poincaré
#zoltan szabo
#vladimir i arnold
#joshua david greene
#manifolds
#surfaces
#seifert surface
#max dehn
#knots
#torus knot
#homology sphere
#lens space
#instantons
#andreas floer
#homology
#cliff taubes
#simon donaldson
#ed witten
#mathematics
#maths
#symplectic
#surgery
#paul heergard
#paul heegard
#topology
#dynamical systems
#symplectic topology
#andrew casson
#william thurston
#henri poincaré
#zoltan szabo
#vladimir i arnold
#joshua david greene
#manifolds
#surfaces
#seifert surface
#max dehn
#knots
#torus knot
#homology sphere
#lens space
#instantons
#andreas floer
#homology
#cliff taubes
#simon donaldson
#ed witten
#mathematics
#maths
#symplectic
#surgery
#paul heergard
#paul heegard
#topology
#dynamical systems
#symplectic topology
#andrew casson
#william thurston
#henri poincaré
#zoltan szabo
#vladimir i arnold
#joshua david greene
#manifolds
#surfaces
#seifert surface
#max dehn
#knots
#torus knot
#homology sphere
#lens space
#pencil
#algebraic geometry
#dehn twist
#max dehn
#kirby calculus
#robion kirby
#solomon lefschetz
#manifolds
#surgery
#topology
#mathematics
#maths
#blowing up
#blowup
#complex projective plane
#projective geometry
#singularity
#singularities
#fibrations
#genus
#surfaces
#excision
#4manifolds
#bundles
#monodromy
#cylinder
#torus
#pencil
#algebraic geometry
#dehn twist
#max dehn
#kirby calculus
#robion kirby
#solomon lefschetz
#manifolds
#surgery
#topology
#mathematics
#maths
#blowing up
#blowup
#complex projective plane
#projective geometry
#singularity
#singularities
#fibrations
#genus
#surfaces
#excision
#4manifolds
#bundles
#monodromy
#cylinder
#torus
#pencil
#algebraic geometry
#dehn twist
#max dehn
#kirby calculus
#robion kirby
#solomon lefschetz
#manifolds
#surgery
#topology
#mathematics
#maths
#blowing up
#blowup
#complex projective plane
#projective geometry
#singularity
#singularities
#fibrations
#genus
#surfaces
#excision
#4manifolds
#bundles
#monodromy
#cylinder
#torus
#pencil
#algebraic geometry
#dehn twist
#max dehn
#kirby calculus
#robion kirby
#solomon lefschetz
#manifolds
#surgery
#topology
#mathematics
#maths
#blowing up
#blowup
#complex projective plane
#projective geometry
#singularity
#singularities
#fibrations
#genus
#surfaces
#excision
#4manifolds
#bundles
#monodromy
#cylinder
#torus
#spinors
#calabiyau
#sasakieinstein
#eugenio calabi
#shigeo sasaki
#erich kähler
#almost kähler
#lie algebras
#sophus lie
#matrices
#linear
#manifolds
#physics
#Élie cartan
#sphere
#exceptional lie groups
#sporadic groups
#spin7
#even sphere
#odd sphere
#groups
#special orthogonal group
#unitary
#orthogonal
#mathematics
#maths
#spinors
#calabiyau
#sasakieinstein
#eugenio calabi
#shigeo sasaki
#erich kähler
#almost kähler
#lie algebras
#sophus lie
#matrices
#linear
#manifolds
#physics
#Élie cartan
#sphere
#exceptional lie groups
#sporadic groups
#spin7
#even sphere
#odd sphere
#groups
#special orthogonal group
#unitary
#orthogonal
#mathematics
#maths
#spinors
#calabiyau
#sasakieinstein
#eugenio calabi
#shigeo sasaki
#erich kähler
#almost kähler
#lie algebras
#sophus lie
#matrices
#linear
#manifolds
#physics
#Élie cartan
#sphere
#exceptional lie groups
#sporadic groups
#spin7
#even sphere
#odd sphere
#groups
#special orthogonal group
#unitary
#orthogonal
#mathematics
#maths
#topology
#geometry
#groups
#matrices
#linear algebra
#manifolds
#lie groups
#mathematics
#rotation
#rescaling
#algebraic varieties
#singular
#singular matrices
#submanifold
#entries
#projective
#projective variety
#projective space
#kernel
#tubular
#boundary
#topology
#geometry
#groups
#matrices
#linear algebra
#manifolds
#lie groups
#mathematics
#rotation
#rescaling
#algebraic varieties
#singular
#singular matrices
#submanifold
#entries
#projective
#projective variety
#projective space
#kernel
#tubular
#boundary
#topology
#geometry
#groups
#matrices
#linear algebra
#manifolds
#lie groups
#mathematics
#rotation
#rescaling
#algebraic varieties
#singular
#singular matrices
#submanifold
#entries
#projective
#projective variety
#projective space
#kernel
#tubular
#boundary
#topology
#geometry
#groups
#matrices
#linear algebra
#manifolds
#lie groups
#mathematics
#rotation
#rescaling
#algebraic varieties
#singular
#singular matrices
#submanifold
#entries
#projective
#projective variety
#projective space
#kernel
#tubular
#boundary
#topology
#geometry
#groups
#matrices
#linear algebra
#manifolds
#lie groups
#mathematics
#rotation
#rescaling
#algebraic varieties
#singular
#singular matrices
#submanifold
#entries
#projective
#projective variety
#projective space
#kernel
#tubular
#boundary
#topology
#geometry
#groups
#matrices
#linear algebra
#manifolds
#lie groups
#mathematics
#rotation
#rescaling
#algebraic varieties
#singular
#singular matrices
#submanifold
#entries
#projective
#projective variety
#projective space
#kernel
#tubular
#boundary
#topology
#geometry
#groups
#matrices
#linear algebra
#manifolds
#lie groups
#mathematics
#rotation
#rescaling
#algebraic varieties
#singular
#singular matrices
#submanifold
#entries
#projective
#projective variety
#projective space
#kernel
#tubular
#boundary
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