All Stories

  1. How round is a protein? Exploring protein structures for globularity using conformal mapping

    Article • Frontiers in Molecular Biosciences, December 2014, Frontiers

    Professor Joel Hass

  2. Automatic Alignment of Genus-Zero Surfaces

    Article • IEEE Transactions on Pattern Analysis and Machine Intelligence, March 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Joel Hass

  3. What is an Almost Normal Surface?

    Article • January 2013, American Mathematical Society (AMS)

    Professor Joel Hass

  4. Globally Optimal Cortical Surface Matching with Exact Landmark Correspondence

    Article • January 2013, Springer Science + Business Media

    Professor Joel Hass

  5. Surface-histogram: A new shape descriptor for protein-protein docking

    Article • Proteins Structure Function and Bioinformatics, November 2011, Wiley

    Professor Joel Hass

  6. Sampling the conformation of protein surface residues for flexible protein docking

    Article • BMC Bioinformatics, January 2010, Springer Science + Business Media

    Professor Joel Hass

  7. Stabilization of Heegaard splittings

    Article • Geometry & Topology, April 2009, Mathematical Sciences Publishers

    Professor Joel Hass

  8. Knots and k-width

    Article • Geometriae Dedicata, April 2009, Springer Science + Business Media

    Professor Joel Hass

  9. Unknot Diagrams Requiring a Quadratic Number of Reidemeister Moves to Untangle

    Article • Discrete & Computational Geometry, March 2009, Springer Science + Business Media

    Professor Joel Hass

  10. Invariants of knot diagrams

    Article • Mathematische Annalen, April 2008, Springer Science + Business Media

    Professor Joel Hass

  11. Evaluating the boundary and covering degree of planar Minkowski sums and other geometrical convolutions

    Article • Journal of Computational and Applied Mathematics, December 2007, Elsevier

    Professor Joel Hass

  12. Boundary evaluation algorithms for Minkowski combinations of complex sets using topological analysis of implicit curves

    Article • Numerical Algorithms, November 2005, Springer Science + Business Media

    Professor Joel Hass

  13. Topologically consistent trimmed surface approximations based on triangular patches

    Article • Computer Aided Geometric Design, May 2004, Elsevier

    Professor Joel Hass

  14. Corrigendum to: ‘Linear perturbation methods for topologically consistent representations of free-form surface intersections’

    Article • Computer Aided Geometric Design, March 2004, Elsevier

    Professor Joel Hass

  15. Minimal Spheres of Arbitrarily High Morse Index

    Article • Communications in Analysis and Geometry, January 2003, International Press of Boston

    Professor Joel Hass

  16. The Size of Spanning Disks for Polygonal Curves

    Article • Discrete & Computational Geometry, December 2002, Springer Science + Business Media

    Professor Joel Hass

  17. 3-manifold knot genus is NP-complete

    Article • January 2002, ACM (Association for Computing Machinery)

    Professor Joel Hass

  18. 3-manifold knot genus is NP-complete

    Article • January 2002, ACM (Association for Computing Machinery)

    Professor Joel Hass

  19. Double Bubbles Minimize

    Article • Annals of Mathematics, March 2000, JSTOR

    Professor Joel Hass

  20. The computational complexity of knot and link problems

    Article • Journal of the ACM, March 1999, ACM (Association for Computing Machinery)

    Professor Joel Hass

  21. Algorithms for recognizing knots and 3-manifolds

    Article • Chaos Solitons & Fractals, April 1998, Elsevier

    Professor Joel Hass

  22. Neon Bulbs and the Unknotting of ARCS in Manifolds

    Article • Journal of Knot Theory and Its Ramifications, April 1997, World Scientific Pub Co Pte Lt

    Professor Joel Hass

  23. Geodesics and soap bubbles in surfaces

    Article • Mathematische Zeitschrift, October 1996, Springer Science + Business Media

    Professor Joel Hass

  24. Geodesics and soap bubbles in surfaces

    Article • Mathematische Zeitschrift, September 1996, Springer Science + Business Media

    Professor Joel Hass

  25. Acylindrical surfaces in $3$-manifolds.

    Article • January 1995, Michigan Mathematical Journal

    Professor Joel Hass

  26. Shortening curves on surfaces

    Article • Topology, January 1994, Elsevier

    Professor Joel Hass

  27. Metrics on manifolds with convex or concave boundary

    Article • January 1994, American Mathematical Society (AMS)

    Professor Joel Hass

  28. Homotopy and isotopy in dimension three

    Article • Commentarii Mathematici Helvetici, December 1993, European Mathematical Publishing House

    Professor Joel Hass

  29. Curve flows on surfaces and intersections of curves

    Article • January 1993, American Mathematical Society (AMS)

    Professor Joel Hass

  30. Existence of unstable minimal surfaces in manifolds with homology and applications to triply periodic minimal surfaces

    Article • January 1993, American Mathematical Society (AMS)

    Professor Joel Hass

  31. Homotopy equivalence and hemeomorphism of 3-manifolds

    Article • Topology, July 1992, Elsevier

    Professor Joel Hass

  32. Genus two Heegaard splittings

    Article • Proceedings of the American Mathematical Society, February 1992, American Mathematical Society (AMS)

    Professor Joel Hass

  33. Genus Two Heegaard Splittings

    Article • Proceedings of the American Mathematical Society, February 1992, JSTOR

    Professor Joel Hass

  34. Intersections of least area surfaces

    Article • Pacific Journal of Mathematics, January 1992, Mathematical Sciences Publishers

    Professor Joel Hass

  35. SINGULAR CURVES AND THE PLATEAU PROBLEM

    Article • International Journal of Mathematics, February 1991, World Scientific Pub Co Pte Lt

    Professor Joel Hass

  36. A Necessary and Sufficient Condition for a 3-Manifold to have Heegaard Genus One

    Article • Proceedings of the American Mathematical Society, December 1989, JSTOR

    Professor Joel Hass

  37. Unstable minimal surfaces and Heegaard splittings

    Article • Inventiones mathematicae, October 1989, Springer Science + Business Media

    Professor Joel Hass

  38. A necessary and sufficient condition for a $3$-manifold to have Heegaard genus one

    Article • Proceedings of the American Mathematical Society, April 1989, American Mathematical Society (AMS)

    Professor Joel Hass

  39. Surfaces minimizing area in their homology class and group actions on 3-manifolds

    Article • Mathematische Zeitschrift, December 1988, Springer Science + Business Media

    Professor Joel Hass

  40. The Existence of Least Area Surfaces in 3-Manifolds

    Article • Transactions of the American Mathematical Society, November 1988, JSTOR

    Professor Joel Hass

  41. The existence of least area surfaces in $3$-manifolds

    Article • Transactions of the American Mathematical Society, January 1988, American Mathematical Society (AMS)

    Professor Joel Hass

  42. Minimal surfaces in manifolds with $S\sp 1$ actions and the simple loop conjecture for Seifert fibered spaces

    Article • Proceedings of the American Mathematical Society, February 1987, American Mathematical Society (AMS)

    Professor Joel Hass

  43. Minimal Surfaces in Manifolds with S 1 Actions and the Simple Loop Conjecture for Seifert Fibered Spaces

    Article • Proceedings of the American Mathematical Society, February 1987, JSTOR

    Professor Joel Hass

  44. Covering spaces of 3-manifolds

    Article • Bulletin of the American Mathematical Society, January 1987, American Mathematical Society (AMS)

    Professor Joel Hass

  45. Minimal surfaces in foliated manifolds

    Article • Commentarii Mathematici Helvetici, December 1986, European Mathematical Publishing House

    Professor Joel Hass

  46. One-sided closed geodesics on surfaces.

    Article • January 1986, Michigan Mathematical Journal

    Professor Joel Hass

  47. Intersections of curves on surfaces

    Article • Israel Journal of Mathematics, December 1985, Springer Science + Business Media

    Professor Joel Hass

  48. Immersions of surfaces in 3-manifolds

    Article • Topology, January 1985, Elsevier

    Professor Joel Hass

  49. Minimal surfaces in seifert fiber spaces

    Article • Topology and its Applications, December 1984, Elsevier

    Professor Joel Hass

  50. Complete area minimizing minimal surfaces which are not totally geodesic

    Article • Pacific Journal of Mathematics, March 1984, Mathematical Sciences Publishers

    Professor Joel Hass

  51. The geometry of the slice-ribbon problem

    Article • Mathematical Proceedings of the Cambridge Philosophical Society, July 1983, Cambridge University Press

    Professor Joel Hass

  52. Least area incompressible surfaces in 3-manifolds

    Article • Inventiones mathematicae, March 1983, Springer Science + Business Media

    Professor Joel Hass