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X-WR-CALNAME:Centre for Mathematical Sciences
X-ORIGINAL-URL:https://math-sciences.org
X-WR-CALDESC:Events for Centre for Mathematical Sciences
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TZID:UTC
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TZOFFSETFROM:+0000
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DTSTART:20210101T000000
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BEGIN:VEVENT
DTSTART;TZID=UTC:20210929T160000
DTEND;TZID=UTC:20210929T170000
DTSTAMP:20211023T163816
CREATED:20210809T125452Z
LAST-MODIFIED:20210924T100147Z
UID:4080-1632931200-1632934800@math-sciences.org
SUMMARY:Rafael Aoude (UC Louvain)
DESCRIPTION:Coherent-spin amplitudes and Classical Observables\n\n\nThe quantum field-theoretic approach to classical observables due to Kosower\, Maybee and O’Connell provides a rigorous pathway from on-shell scattering amplitudes to classical perturbation theory. In this talk\, I will describe how we promote this formalism to general classical spinning objects by using coherent spin states. Our approach is fully covariant with respect to the massive little group SU(2) and is therefore completely synergistic with the massive spinor-helicity formalism. We apply this approach to classical two-body scattering due gravitational interaction. Starting from the coherent-spin elastic-scattering amplitude\, we derive the classical impulse and spin kick observables to first post-Minkowskian order but to all orders in the angular momenta of the massive spinning objects. If time allows\, I will describe how we also extract an effective two-body Hamiltonian\, which can be used beyond the scattering setting.
URL:https://math-sciences.org/event/rafael-audoe-uc-louvain/
LOCATION:Zoom
CATEGORIES:Seminars,Theoretical Physics
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BEGIN:VEVENT
DTSTART;TZID=UTC:20211006T160000
DTEND;TZID=UTC:20211006T170000
DTSTAMP:20211023T163816
CREATED:20210803T105813Z
LAST-MODIFIED:20211001T141736Z
UID:4072-1633536000-1633539600@math-sciences.org
SUMMARY:Jenni Smillie (Edinburgh)
DESCRIPTION:New Predictions for Processes with >= 2 Jets at the LHC \nThe vast amount of data taken by the Large Hadron Collider (LHC) means it has become a precision experiment in very many channels. This is good news for sensitive tests of the Standard Model\, but presents theory with a big challenge. Many effects which could be neglected at previous colliders now must be included to give a good description of data. One example of this is the logarithms in $\hat{s}/p_\perp$ which appear at all orders in alpha_s. The increase in centre-of-mass energy at the LHC both increases their numerical impact\, and increases the phase space for the production of many jets with large transverse momentum\, challenging standard fixed-order approaches. In this talk\, I will describe how to perform a resummation of these logarithms in a fully flexible event generator\, and illustrate the method with recent predictions for Higgs-plus-dijets\, W+dijets and WW+dijets.
URL:https://math-sciences.org/event/jenni-smillie-edinburgh/
LOCATION:Zoom
CATEGORIES:Seminars,Theoretical Physics
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20211006T170000
DTEND;TZID=UTC:20211006T180000
DTSTAMP:20211023T163816
CREATED:20210906T163511Z
LAST-MODIFIED:20210906T163511Z
UID:4094-1633539600-1633543200@math-sciences.org
SUMMARY:Teaching Statistics Trust Lecture (Rhys Jones\, Surrey)
DESCRIPTION:Title: Weapons of statistical instruction \nSpeaker: Rhys Christopher Jones \nWe are living in an increasingly data-centric world\, where it is essential for everyone to have a statistical awareness and build upon their statistical senses. The need for statistics has never been greater. With rapidly changing times\, and a world saturated with data and interesting variables\, we need new ways and new ideas to help make statistics more accessible for everyone. It should come as no surprise that statistics education has also experienced seismic shifts in recent years\, with respect to content and teaching methods utilised. New Zealand in particular have made significant changes in relation to their statistics curriculum and pedagogies used to deliver the subject\, at the primary and secondary school level. \nThis talk will explore interesting ideas\, present useful skills\, and delve into exciting contexts\, to supercharge the teaching of statistics and data science. There will be a focus on the visualisation of data\, using free web-based software like iNZight\, explaining how these displays can convey engaging data stories. Skills development in being able to read graphs and eyeball data\, describe trends well and the value in using dynamic data displays\, will also be discussed. This will then lead onto the importance of context and the need to provide engaging real-world data sets that can appeal to students. The second part of the talk will then describe how skills developed in the first part can be nurtured to enable students to craft their own interesting and engaging data stories.\nKey ideas and approaches conveyed throughout the talk will be supported with my own experiences of working with teachers and academics in New Zealand\, Australia\, the US and also the UK\, along with relevant evidence-based research. \nProfessor Rhys Christopher Jones is the Associate Dean of Education at the Faculty of Health and Medical Sciences\, at the University of Surrey. Prior to this\, he was based in the Department of Statistics at the University of Auckland. Over his career he has taught a variety of subjects\, at both undergraduate and postgraduate level\, which include statistics\, quantitative methods\, and mathematics for science. He has also taught a variety of science-based subjects in FE colleges\, which include GCSE\, BTEC\, Access and A levels. His primary research contributions are in the areas of curriculum development and the role of context in statistics education. Rhys’s research interests also focus on mathematical and statistical anxiety\, helping to inform strategies to engage and motivate people in these subjects. \nThe Teaching Statistics Trust Lecture\, (teachingstatisticstrust.org.uk)\, is given annually at multiple locations. It is aimed at teachers of statistics\, whether specialist or non-specialist\, in secondary schools\, colleges and early years of university.
URL:https://math-sciences.org/event/teaching-statistics-trust-lecture-rhys-jones-surrey/
CATEGORIES:Statistics and Data Science
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20211013T160000
DTEND;TZID=UTC:20211013T170000
DTSTAMP:20211023T163816
CREATED:20210803T105631Z
LAST-MODIFIED:20211007T132534Z
UID:4069-1634140800-1634144400@math-sciences.org
SUMMARY:Oliver Gould (Nottingham)
DESCRIPTION:Schwinger pair production of magnetic monopoles \nElectromagnetic duality implies that strong magnetic fields will produce magnetic monopoles by the dual Schwinger effect\, if indeed magnetic monopoles exist. As a consequence\, strong magnetic fields provide perhaps the best avenue to search for magnetic monopoles: the existence of any given strong magnetic field provides a lower bound on their mass. This search strategy has recently been utilised at the LHC\, where the strongest known magnetic fields are produced fleetingly by heavy-ion collisions. In these fields calculations of the monopole production cross section must go beyond the locally-constant field approximation. I will discuss recent theoretical progress in carrying out this calculation\, as well as open theoretical questions. I will also comment on the relation between the probability of Schwinger pair production of magnetic monopoles and a well-known “exponentiation conjecture” for the imaginary part of the Euler-Heisenberg Lagrangian to all loop orders.
URL:https://math-sciences.org/event/oliver-gould-nottingham/
LOCATION:Zoom
CATEGORIES:Seminars,Theoretical Physics
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20211020T160000
DTEND;TZID=UTC:20211020T170000
DTSTAMP:20211023T163816
CREATED:20210805T171048Z
LAST-MODIFIED:20211013T114814Z
UID:4078-1634745600-1634749200@math-sciences.org
SUMMARY:Gerald V. Dunne (Connecticut)
DESCRIPTION:Resurgence and Extreme Field QFT \nI propose a new approach to multi-loop QFT computations in strong background fields\, based on an application of resurgent asymptotics to the extraction of strong-field and non-perturbative information from a limited number of terms of a weak-field expansion. The proposed method is demonstrated explicitly with the one-loop and two-loop expressions for the QED Euler-Heisenberg effective action\, for which a surprising amount of strong-field and non-perturbative physics may be derived from just 10 terms of a weak magnetic field expansion. I will also discuss applications to inhomogeneous fields.
URL:https://math-sciences.org/event/gerald-v-dunne-connecticut/
LOCATION:Zoom
CATEGORIES:Seminars,Theoretical Physics
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20211025T130000
DTEND;TZID=UTC:20211025T140000
DTSTAMP:20211023T163816
CREATED:20210422T095525Z
LAST-MODIFIED:20210906T163139Z
UID:4055-1635166800-1635170400@math-sciences.org
SUMMARY:Milensu Shanyinde (Oxford)
DESCRIPTION:My career path to clinical trial senior statistician \nMy name is Milensu and I completed an undergraduate degree in Mathematics and Statistics at Plymouth University in 2009 followed by a Master’s degree in Medical Statistics at Southampton University. Following this\, I worked as a statistician in cancer clinical trials. I am now a PhD candidate at University College London in the final stages of completing my thesis. My research examines the complication of managing HIV in relation to Hepatitis C in persons seen for routine clinical care in Italy. I also work part time as a clinical trial statistician at Oxford University working on various studies related to primary care research.\nIn this seminar I talk about my journey post the Bachelor’s degree and how I found myself working as statistician in the field of clinical trials in academia. Working as a clinical trial statistician can be extremely rewarding and one of my recent highlight is being one of the statisticians working on a nationwide study to find COVID-19 treatments.
URL:https://math-sciences.org/event/milensu-shanyinde-oxford/
CATEGORIES:Seminars,Statistics and Data Science
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20211027T160000
DTEND;TZID=UTC:20211027T170000
DTSTAMP:20211023T163816
CREATED:20210803T171744Z
LAST-MODIFIED:20210803T171744Z
UID:4075-1635350400-1635354000@math-sciences.org
SUMMARY:N. Emil J. Bjerrum-Bohr (Niels Bohr Institute)
DESCRIPTION:
URL:https://math-sciences.org/event/n-emil-j-bjerrum-bohr-niels-bohr-institute/
LOCATION:Zoom
CATEGORIES:Seminars,Theoretical Physics
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