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DTSTART;TZID=Australia/Sydney:20230815T180000
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DTSTAMP:20260414T083142
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SUMMARY:The mathematics of twisting somersaults: National Science Week 2023 public lecture
DESCRIPTION:What do a space station\, a falling cat\, and a springboard diver have in common?\nThey are in free fall. But in contrast to a falling rock\, they all have the ability to reorient themselves whilst they are falling. \nIn this talk\, we’ll explore the principles behind this phenomenon. The mathematics underpinning the reorientation uses beautiful symmetries to explain the conservation laws of dynamical systems. In mathematics\, this refers to systems where a function describes a point in space that is dependent on time\, e.g. the swinging of a clock pendulum\, or water flowing in a pipe. \nOur understanding of the theory behind twisting somersaults (backed up by numerical simulations) has led to the discovery of a new dive called 513XD\, which is awaiting performance at one of the next Olympics! \nAbout the speaker: Holger Dullin is a Professor of Applied Mathematics at the University of Sydney. His research in dynamical systems employs geometric ideas to better understand a variety of problems ranging from (non-) rigid body dynamics to the gravitational n-body problem\, quantum mechanics and spectral theory. He currently holds two ARC grants. \nHolger received his PhD in theoretical physics from the University of Bremen in Germany in 1994. He was a researcher in Boulder\, Colorado\, and a lecturer in Loughborough\, UK before coming to Sydney in 2008. When not doing mathematics\, he can be found bushwalking with his wife and son.
URL:https://mathematical-research-institute.sydney.edu.au/event/the-mathematics-of-twisting-somersaults-national-science-week-2023-public-lecture/
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SUMMARY:Math Circle School Talks - Morning and afternoon talks
DESCRIPTION:SMRI is hosted two talks at the University of Sydney on Saturday 26 August\, presented by mathematician Quan Lam from the Berkeley Math Circle (University of California Berkeley). Copies of the slides for both talks are now available on the event page.  \nNumbers Are Not So Simple: Primary school maths talk 10:00–11:30 AEST\nWe’ll explore the topic of numbers\, including: 1. The evolution of our number system 2. The importance of “zero” 3. Mysteries and patterns of numbers 4. Myths about some of the common properties of numbers We may even have time to briefly explore the mystery of “infinity”. \nEvent format : 1 hour talk\, followed by 30 minutes Q&A. This talk is for primary school students in Sydney and their teachers. Students should be familiar with basic fractions (advanced knowledge of mathematics is not needed). Teachers of all subjects are welcome. \n\nRegister via Eventbrite (now closed)\n\n \n\n\nBeing Average: High school maths talk\, 13:00–15:00 AEST\n Join mathematician Quan Lam for this maths talk for secondary school students and teachers. We’ll explore the following topics: \n\n 1. What are some of the different kinds of “averages”? 2. When should we use them? 3. What are their applications? 4. How do we use these different types of averages and their relationships to solve difficult math problems?\n \n\n\n Event format : 1.5 hour talk\, followed by 30 minutes Q&A.\nThis talk is for secondary school students in Sydney and their teachers. Students should be familiar with simple algebra (advanced knowledge of mathematics is not needed). Teachers of all subjects are welcome.\nQuan will also discuss Math Circles\, the World Mathematics Team Championship and American/International Regions Mathematics League competitions\, and maths education.\n \n\n\nRegister via Eventbrite (now closed)\n\n \nAbout the speaker: Professor Quan Lam is a mathematics lecturer at the University of California\, Berkeley. He is a key organiser of the Berkeley Math Circle\, which aims to challenge younger minds with mathematical activities and competitions. Math Circles introduce kids to the wonders of mathematics and encourage them to undertake future careers linked with mathematics. Quan Lam carried out his undergraduate studies at California Institute of Technology and his graduate studies at the University of California at Berkeley. He is the Founder and Chairman of the World Mathematics Team Championship\, the Chairman of the International Regions Math League and the Chairman and President of the United Math Circle Foundation.
URL:https://mathematical-research-institute.sydney.edu.au/event/math-circle-school-talks-morning-and-afternoon-talks/
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