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DTSTART;TZID=America/New_York:20230104T111000
DTEND;TZID=America/New_York:20230104T111000
DTSTAMP:20260407T011952
CREATED:20230102T070031Z
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SUMMARY:AMS Erdős Memorial Lecture (Joint Mathematics Meetings\, Boston)
DESCRIPTION:Joint Mathematics Meetings\, Boston \nBallroom AB\, Hynes Convention Center \nAssociativity\, Commutativity and Units: a Higher-dimensional ballet \nAssociativity\, commutativity and unit laws are axioms we typically learn about early on\, in the context of numbers. We might then take them for granted until we meet non-commutative situations\, such as multiplication of matrices\, or symmetry groups. In higher dimensions we start to encounter non-associativity and non-unitality as well\, but there is more nuance: rather than associativity simply being true or not true\, there are shades of grey\, where associativity holds up to isomorphism\, equivalence\, or just some sort of map. In this talk I will describe how those familiar three families of axioms become the essence of all the interesting features of weak higher-dimensional category theory. Moreover\, rather than being three different types of axioms they are inextricably related via a higher-dimensional version of distributivity. The ballet they present is one of ebb and flow\, give and take\, where rigidity for one “dancer” always needs to be offset by flexibility in another. I will show that the apparently mundane maths of high school has deep category theoretical insights embedded in it\, if we care to look. I will not assume any prior knowledge of category theory.
URL:https://eugeniacheng.com/event/ams-erdos-memorial-lecture-joint-mathematics-meetings-boston/
CATEGORIES:Talks
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230104T140000
DTEND;TZID=America/New_York:20230104T143000
DTSTAMP:20260407T011952
CREATED:20230102T070315Z
LAST-MODIFIED:20230102T070315Z
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SUMMARY:JMM Boston: panel event "Reaching the public"
DESCRIPTION:Reaching the Public: Why\, Where\, and How to Tell Math Stories in Newspapers and Popular Books \nSheraton Boston\, Fairfax A \nGuest on panel chaired by Susan D’Agostino \nwith Daniel Taber \nAs a faculty member\, you regularly share your knowledge of and passion for math with students. But has your voice and expertise reached those beyond your classroom? In this time of science denialism\, publishing math stories in newspapers\, magazines\, and books aimed at the general public is a rewarding pursuit that builds your personal platform while enhancing public math literacy. News and magazine editors are eager to hear from mathematicians\, but they need you to reach out to them. Likewise\, book editors are also eager to hear from mathematicians\, but they often want to see that you have first published stories in public-facing newspapers and magazines. Come listen to honest tales of what works and what doesn’t from a mathematics book editor at Oxford University Press and a mathematician-turned-journalist who has published math and science stories in The Atlantic\, The Washington Post\, Scientific American\, Wired\, Quanta Magazine\, National Public Radio\, and BBC Science Focus. Get inspired and leave with ideas for how you might take your first—and later—steps pursuing a side gig as a public math intellectual.
URL:https://eugeniacheng.com/event/jmm-boston-panel-event-reaching-the-public/
CATEGORIES:Talks
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DTSTART;TZID=America/New_York:20230105T100000
DTEND;TZID=America/New_York:20230105T103000
DTSTAMP:20260407T011952
CREATED:20230102T071109Z
LAST-MODIFIED:20230102T071109Z
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SUMMARY:Talk at JMM Boston\, Applied Category Theory session
DESCRIPTION:Privilege structures: from posets to generalised metric spaces \nSheraton Boston\, Republic A \nI will use posets to illuminate privilege structures in society and the divisive arguments surrounding them\, including straw person arguments about what privilege means\, and where antagonism arises from functions between posets that are not order-preserving. I will then use Lawvere’s generalised metric spaces to add more nuance to this analysis so that we can consider different weightings for different types of privilege. Lawvere’s generalised metric spaces can be expressed as categories enriched in with as the monoidal structure. Crucially\, the distance function is then not required to be symmetric\, and this is critical in an analysis of privilege as it is not just the difference in privilege that we seek to measure\, but whether it’s a loss or gain.
URL:https://eugeniacheng.com/event/talk-at-jmm-boston-applied-category-theory-session/
CATEGORIES:Talks
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