Expository papers and miscellanea

Slides from talks

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Effective invariants of transverse knots
Slides for my talk on June 17, 2011, at the Nantes conference on contact and symplectic topology.

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Filtered knot contact homology and transverse knots
Slides for a talk on transverse homology. This particular version is from a talk I gave at Columbia in March 2011.

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Knots and the Symplectic Field Theory of cotangent bundles
Slides for my talk on May 29, 2009, at the Georgia International Topology Conference.

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Invariants of Legendrian knots and links
Slides for my talk on May 31, 2001, at the Georgia International Topology Conference.

Expository papers, student papers, etc.

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Almost complex structures and determinant line bundles
Preprint, 1998.

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Notes on the K-theory of complex grassmannians
A paper for 18.979 (K-theory and the index theorem) at MIT, spring 1997.

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Manifolds of positive scalar curvature
A paper for 18.966 (geometry of manifolds) at MIT, spring 1997.

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Classical and modern formulations of curvature
A paper for Math 230a (differential geometry) at Harvard, fall 1994.

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Putnam practice problems
From a Putnam practice session I organized at Harvard in fall 1995, mainly taken from books and other paraphernalia from Ravi Vakil.

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Slides from talks
PDF	Effective invariants of transverse knots Slides for my talk on June 17, 2011, at the Nantes conference on contact and symplectic topology.
PDF	Filtered knot contact homology and transverse knots Slides for a talk on transverse homology. This particular version is from a talk I gave at Columbia in March 2011.
PDF	Knots and the Symplectic Field Theory of cotangent bundles Slides for my talk on May 29, 2009, at the Georgia International Topology Conference.
PDF	Invariants of Legendrian knots and links Slides for my talk on May 31, 2001, at the Georgia International Topology Conference.
Expository papers, student papers, etc.
PDF	Almost complex structures and determinant line bundles Preprint, 1998.
PDF	Notes on the K-theory of complex grassmannians A paper for 18.979 (K-theory and the index theorem) at MIT, spring 1997.
PDF	Manifolds of positive scalar curvature A paper for 18.966 (geometry of manifolds) at MIT, spring 1997.
PDF	Classical and modern formulations of curvature A paper for Math 230a (differential geometry) at Harvard, fall 1994.
PDF	Putnam practice problems From a Putnam practice session I organized at Harvard in fall 1995, mainly taken from books and other paraphernalia from Ravi Vakil.