Bruno Martelli

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Name	Bruno Martelli
Member for	3 years
Seen	2 hours ago
Website	dm.unipi.it/~martelli
Location	Pisa (Italy)
Age	40

Assistant professor (ricercatore) at Math Dept (University of Pisa)

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Where to publish a math textbook in Creative Commons

may 31 at 21:13 Ronnie Brown 5,486●19●21

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782

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What is the three-dimensional hyperbolic volume of a four-manifold?

gt.geometric-topology four-manifolds 3-manifolds knot-theory

oct 24 at 13:59 Bruno Martelli 5,026●1●14●34

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Can all n-manifolds be obtained by gluing finitely many blocks?

gt.geometric-topology 3-manifolds smooth-manifolds four-manifolds

nov 11 10 at 21:29 Scott Morrison♦ 4,537●4●26●44

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456

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Which manifolds decompose into pants?

gt.geometric-topology tropical-geometry four-manifolds

dec 13 at 20:55 Bruno Martelli 5,026●1●14●34

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457

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Explicit homeomorphism between Thurston’s compactification of Teichmuller space and the closed disc

gt.geometric-topology teichmuller-theory

dec 29 at 0:13 Lee Mosher 6,109●1●9●26

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511

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Maximal euler characteristic of surfaces bounding two fixed curves

gt.geometric-topology 3-manifolds

may 19 11 at 15:56 Ian Agol 24.3k●1●34●86

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839

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Proofs of Rohlin’s theorem (an oriented 4-manifold with zero signature bounds a 5-manifold)

four-manifolds manifolds gt.geometric-topology

nov 13 10 at 19:41 Charles Rezk 13.1k●1●31●67

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548

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Is the cut locus of a generic point in a hyperbolic manifold a generic polyhedron?

gt.geometric-topology hyperbolic-geometry 3-manifolds dg.differential-geometry

nov 3 10 at 19:51 Anton Petrunin 16.6k●42●110

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397

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Is the spectrum of closed geodesics in a closed hyperbolic 3-manifold asymptotically homogeneously dense?

gt.geometric-topology hyperbolic-geometry 3-manifolds

mar 7 12 at 22:56 Misha 13k●1●26●48

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234

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Which unitary (permutation-)representations are isolated?

rt.representation-theory

feb 17 12 at 8:53 Alain Valette 6,469●14●26

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What are some examples of colorful language in serious mathematics papers?

What makes four dimensions special?

Basic results with three or more hypotheses

A question about vector fields

Kirby calculus and local moves

Connected sum of topological manifolds

Random manifolds

Can a smooth, immersed loop in R^2 become not nullhomotopic by removing a point?

How can there be topological 4-manifolds with no differentiable structure?

Theorems that are ‘obvious’ but hard to prove

fundamental group and complete invariant of irreducible 3-manifolds

Topological characterisation for a (closed irreducible) hyperbolic 3-manifold

Does a fixed-point free “homotopy involution” imply that a manifold bounds?

Is the topological concept of collapsible useful?

Is every real n-manifold isomorphic to a quotient of $\mathbb{R}^n$?

In knot theory: Benefits of working in $S^3$ instead of $\mathbb{R}^3$?

Is it possible to improve the Whitney embedding theorem?

Applications of knot theory

Existing proofs of Rokhlin’s theorem for PL manifolds

Hyperbolic Brunnian links and rectangular cusp shapes

Irreducible homology 3-spheres that bound smooth contractible manifolds

embeddings of graphs into surfaces

Understanding four manifolds (more details inside)

whether a kind of surgery can go on infinitely many steps?

Examples of acylindrical 3-manifolds

Usefulness of using TQFTs

Reference for the proof of this statement?

Simplifying triangulations of 3-manifolds

A question on PL-topology and polytopal complex

What are some of the big open problems in 3-manifold theory?

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Bruno Martelli

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Questions

Where to publish a math textbook in Creative Commons

What is the three-dimensional hyperbolic volume of a four-manifold?

Can all n-manifolds be obtained by gluing finitely many blocks?

Which manifolds decompose into pants?

Explicit homeomorphism between Thurston’s compactification of Teichmuller space and the closed disc

Maximal euler characteristic of surfaces bounding two fixed curves

Proofs of Rohlin’s theorem (an oriented 4-manifold with zero signature bounds a 5-manifold)

Is the cut locus of a generic point in a hyperbolic manifold a generic polyhedron?

Is the spectrum of closed geodesics in a closed hyperbolic 3-manifold asymptotically homogeneously dense?

Which unitary (permutation-)representations are isolated?

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