Burger–Iozzi–Wienhard inequalities for higher rank groups

E911358

The Burger–Iozzi–Wienhard inequalities for higher rank groups are a family of sharp bounds in bounded cohomology and representation theory that extend the classical Milnor–Wood inequality to representations of surface groups into higher rank Lie groups.

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Statements (42)

Predicate Object
instanceOf inequality in geometry and topology ⓘ
mathematical concept ⓘ
result in bounded cohomology ⓘ
result in representation theory ⓘ
appliesTo representations into Hermitian Lie groups ⓘ
representations into higher rank Lie groups ⓘ
representations of fundamental groups of closed surfaces ⓘ
representations of surface groups ⓘ
concerns bounded cohomology classes associated to Lie groups ⓘ
surface group representations into semisimple Lie groups ⓘ
topological invariants of flat bundles ⓘ
context bounded cohomology of Lie groups ⓘ
bounded cohomology of lattices in Lie groups ⓘ
developedBy Alessandra Iozzi ⓘ
Anna Wienhard ⓘ
Marc Burger ⓘ
extends Milnor–Wood inequality ⓘ
field bounded cohomology ⓘ
differential geometry ⓘ
geometric group theory ⓘ
low-dimensional topology ⓘ
representation theory of Lie groups ⓘ
generalizes Milnor–Wood inequality for flat circle bundles ⓘ
givesBoundOn Toledo invariant of a representation ⓘ
norm of pullback of bounded Kähler class ⓘ
hasProperty cohomological formulation ⓘ
invariant under conjugation of representations ⓘ
sharp bound ⓘ
namedAfter Alessandra Iozzi ⓘ
Anna Wienhard ⓘ
Marc Burger ⓘ
relatedTo Chern–Weil theory in bounded cohomology ⓘ
linked to: Chern–Weil theory

Toledo invariant ⓘ
bounded Kähler class ⓘ
character varieties of surface groups ⓘ
higher Teichmüller theory ⓘ
maximal representations ⓘ
rigidity of maximal representations into Hermitian Lie groups ⓘ
symplectic geometry of representation varieties ⓘ
usedFor characterization of maximal representations ⓘ
rigidity results for surface group representations ⓘ
study of deformation spaces of representations ⓘ

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Full triples — surface form annotated when it differs from this entity's canonical label.

Milnor–Wood inequality → generalizedBy → Burger–Iozzi–Wienhard inequalities for higher rank groups ⓘ