Relativity of superluminal observers in 1 + 3 spacetime
 Dragan, A Dębski, K Charzyński, S Turzyński, K Ekert, A Classical and Quantum Gravity volume 40 issue 2 025013- (19 Jan 2023)

Song of the Week: Max Richter - Path 5 (Delta)

There has been a lot of academic research in to sleep recently (notably by Oxford academic Russell Foster), but for those of us who struggle with the old shut-eye (and age doesn't help, we warn you) then how about Max Richter's 2015 Sleep, an eight and a half hour concept album based around the neuroscience of sleep. Its companion album, From Sleep, from which this track is taken, is only one hour long. The quick nap version, if you like. 

It All Adds Up

If you were wondering why nearly 600 girls aged between 13 and 17 were in the building for three days last week then welcome to It All Adds Up.

Mon, 06 Mar 2023
13:00
L1

Bounds on quantum evolution complexity via lattice cryptography

Marine De Clerck
(Cambridge)
Abstract

I will present results from arXiv:2202.13924, where we studied the difference between integrable and chaotic motion in quantum theory as manifested by the complexity of the corresponding evolution operators. The notion of complexity of interest to us will be Nielsen’s complexity applied to the time-dependent evolution operator of the quantum systems. I will review Nielsen’s complexity, discuss the difficulties associated with this definition and introduce a simplified approach which appears to retain non-trivial information about the integrable properties of the dynamical systems.

Optimization of Hopf bifurcation points
 Boullé, N Farrell, P Rognes, M SIAM Journal on Scientific Computing volume 45 issue 3 B390-B411 (23 Jun 2023)
Thu, 04 May 2023
14:00
N3.12

The geometry of the conformal manifolds

Maria Nocchi
Further Information

Junior Strings is a seminar series where DPhil students present topics of common interest that do not necessarily overlap with their own research area. This is primarily aimed at PhD students and post-docs but everyone is welcome.

Fri, 10 Mar 2023
16:00
N3.12

Integrability II

Giuseppe Bogna
Further Information

Junior Strings is a seminar series where DPhil students present topics of common interest that do not necessarily overlap with their own research area. This is primarily aimed at PhD students and post-docs but everyone is welcome.

Fri, 03 Mar 2023
16:00
C4

Integrability I

Adam Kmec
Further Information

Junior Strings is a seminar series where DPhil students present topics of common interest that do not necessarily overlap with their own research area. This is primarily aimed at PhD students and post-docs but everyone is welcome.

Fri, 24 Feb 2023
16:00
C5

The Atiyah-Singer index theorem: Physics applications

Enrico Marchetto
Further Information

Junior Strings is a seminar series where DPhil students present topics of common interest that do not necessarily overlap with their own research area. This is primarily aimed at PhD students and post-docs but everyone is welcome.

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