Marc Lackenby is a professor of mathematics at the University of Oxford whose research concerns knot theory, low-dimensional topology, and group theory. Lackenby studied mathematics at the University of Cambridge beginning in 1990, and earned his Ph.D. in 1997, with a dissertation on Dehn Surgery and Unknotting Operations supervised by W. B. R. Lickorish. After positions as Miller Research Fellow at the University of California, Berkeley and as Research Fellow at Cambridge, he joined Oxford as a Lecturer and Fellow of St Catherine's in 1999. He was promoted to Professor at Oxford in 2006.
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| - Marc Lackenby (* 28. August 1972) ist ein britischer Mathematiker, der sich mit Knotentheorie und niedrigdimensionaler Topologie befasst. Lackenby studierte an der Universität Cambridge, an der er 1997 bei W. B. R. Lickorish promoviert wurde ( Dehn Surgery and Unknotting Operations). Als Post-Doktorand war er Miller Research Fellow an der University of California, Berkeley. Er ist seit 2006 Professor an der Universität Oxford, an der er seit 1999 als Lecturer und Fellow des St. Catherine's College war. (de)
- Marc Lackenby is a professor of mathematics at the University of Oxford whose research concerns knot theory, low-dimensional topology, and group theory. Lackenby studied mathematics at the University of Cambridge beginning in 1990, and earned his Ph.D. in 1997, with a dissertation on Dehn Surgery and Unknotting Operations supervised by W. B. R. Lickorish. After positions as Miller Research Fellow at the University of California, Berkeley and as Research Fellow at Cambridge, he joined Oxford as a Lecturer and Fellow of St Catherine's in 1999. He was promoted to Professor at Oxford in 2006. (en)
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| - Marc Lackenby (* 28. August 1972) ist ein britischer Mathematiker, der sich mit Knotentheorie und niedrigdimensionaler Topologie befasst. Lackenby studierte an der Universität Cambridge, an der er 1997 bei W. B. R. Lickorish promoviert wurde ( Dehn Surgery and Unknotting Operations). Als Post-Doktorand war er Miller Research Fellow an der University of California, Berkeley. Er ist seit 2006 Professor an der Universität Oxford, an der er seit 1999 als Lecturer und Fellow des St. Catherine's College war. Er bewies unter anderem eine obere Schranke (polynomial in der Anzahl der Kreuzungen) für die Anzahl der Reidemeister-Bewegungen um ein Diagramm eines Unknotens in das triviale Diagramm zu überführen. 2003 erhielt er den Whitehead-Preis, 2006 den Philip Leverhulme Prize und 2010 war er eingeladener Sprecher auf dem Internationalen Mathematikerkongress in Hyderabad (Finite covering spaces of 3-manifolds). Er war 2008 bis 2013 einer der Herausgeber des Journal of the London Mathematical Society und seit 2007 des Journal of Topology und von Groups, Geometry and Dynamics. (de)
- Marc Lackenby is a professor of mathematics at the University of Oxford whose research concerns knot theory, low-dimensional topology, and group theory. Lackenby studied mathematics at the University of Cambridge beginning in 1990, and earned his Ph.D. in 1997, with a dissertation on Dehn Surgery and Unknotting Operations supervised by W. B. R. Lickorish. After positions as Miller Research Fellow at the University of California, Berkeley and as Research Fellow at Cambridge, he joined Oxford as a Lecturer and Fellow of St Catherine's in 1999. He was promoted to Professor at Oxford in 2006. Lackenby's research contributions includea proof of a strengthened version of the 2π theorem on sufficient conditions for Dehn surgery to produce a hyperbolic manifold,a bound on the hyperbolic volume of a knot complement of an alternating knot,and a proof that every diagram of the unknot can be transformed into a diagram without crossings by only a polynomial number of Reidemeister moves. In February 2021 he announced a new unknot recognition algorithm that runs in quasi-polynomial time. Lackenby won the Whitehead Prize of the London Mathematical Society in 2003.In 2006, he won the Philip Leverhulme Prize in mathematics and statistics.He was an invited speaker at the International Congress of Mathematicians in 2010. (en)
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