Skoltech is an international graduate research-focused university that was founded by the group of world-renowned scientists in 2011. Skoltech's curriculum focuses on technology and innovation, offering Master's programs in 11 technological disciplines. Students receive rigorous theoretical and practical training, design their own research projects, participate in internships and gain entrepreneurial skills in English. The faculty is comprised of current researchers with international accreditation and achievements.

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Skoltech Colloquium on November 28

We are proud to invite you to Skoltech Colloquium!

Guest Speaker: Prof. Keith Moffatt, Department of Applied Mathematics and Theoretical Physics University of Cambridge, UK
When: November 28; 4:00pm
Where: Institute of Gene Biology RAS, Vavilova street 34/5, Conference room, 1st floor.
What: Soap film dynamics and topological jumps under continuous deformation.

Abstract: Consider the dynamics of a soap-film bounded by a flexible wire (or wires) which can be continuously and slowly deformed. At each instant the soap-film is relaxed in quasi-static manner to a minimum-area (i.e. minimum-energy) state compatible with the boundary configuration. This can however pass through a critical configuration at which a topological jump is inevitable. We have studied an interesting example of this behavior: the jump of a one-sided (Möbius strip) soap-film to a two-sided film as the boundary is unfolded and untwisted from the double cover of a circle. The nature of this jump will be demonstrated and explained.

More generally, dynamical systems have a natural tendency to relax through dissipative processes to a minimum-energy state, subject to any relevant constraints. An example is provided by the relaxation of a magnetic field in a perfectly conducting but viscous fluid, subject to the constraint that the magnetic field lines are frozen in the fluid. One may infer the existence of magnetostatic equilibria (and analogous steady Euler flows) of arbitrary field-line topology. In general, discontinuities (current sheets) appear during this relaxation process, and this is where reconnection of field-lines (with associated change of topology) can occur. Just as for the soap film, slow change of boundary conditions can lead to critical conditions in which such topological jumps are inevitable.

Transfer for students and faculty Skoltech Colloquium

3 pm – transfer from Hypercube
3:10 pm – transfer from MSM (near Karacorum building. Zero floor)

How to get to Institute of Gene Biology RAS

Address: Vavilova street 34/5 (ул. Вавилова 34/5)
Map: http://www.genebiology.ru/institute/way.shtml

If you like to participate and for further information or questions, please Liliya Abaimova
We look forward to seeing you.

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