University of Cambridge > Talks.cam > Topology Seminar > Solving tangle equations and the tangle model for DNA recombination

  Browse A-Z

Log in

University Account External (via Google)

🔐 Log In

Information on

Subscribing to talksdetails Finding a talkdetails Adding a talkdetails Disseminating talksdetails Help and Documentationdetails

ℹī¸ Information

Solving tangle equations and the tangle model for DNA recombination

Download to your calendar using vCal

  • UserMauro Mauricio (Imperial)
  • ClockTuesday 15 May 2012, 15:00-16:00
  • HouseMR9.

If you have a question about this talk, please contact Dr Andras Juhasz .

In modelling site-specific DNA recombination, one is interested in solving certain “tangle equations” to characterise some biological processes. If the given data consists of “small” 2-bridge knots, then the problem admits a very satisfactory solution, as given by Ernst and Sumners (circa 1990). However, there are instances where one has to deal with connect-sums of 2-bridge knots, and this greatly complicates the analysis. In this talk, we will explain how tangle equations are solved. This is essentially studying a Dehn surgery problem by taking double branched covers. We will see how the work of Ernst and Sumners relied on using some Dehn surgery theorems (available at the time), and how we can use some more recent machinery to obtain some results on the connect-sums of 2-bridge knots case. These turn out to be strong enough to characterise the action of a particular protein, which we will describe.

This talk is part of the Topology Seminar series.

This talk is included in these lists:

Note that ex-directory lists are not shown.

Other lists

Rayleigh Seminar Room, Maxwell Centre, University of Cambridge JJ Thomson Avenue Cambridge CB3 0HE Average on weekdays: 9135.28309859 kWh Judge Business School, W4.05

Other talks

Gastroenterology and Acute Medicine What Can a Spectrum Learn? AI Perspectives on the Kohn Laplacian of Sphere Quotients CSaP Annual Cleevely Lecture 2026 Atmospheric Methane - rise, surge, and ongoing post-surge growth. Can we mitigate the rise, and can anything be done to reduce emissions? Title to be confirmed CSAR lecture: In a post-Ozempic world, have we cured obesity?
 

Š 2006-2025 Talks.cam, University of Cambridge. Contact Us | Help and Documentation | Privacy and Publicity