[Alta-Logic] Harris E. Valentine Lecture next week - no peripatetic this week

[Sacha Ikonicoff]

Dear all,

There will be no peripatetic seminar this Friday, or next Friday. The next peripatetic seminar will be on Friday the 24th of September.

In the meantime, I would like to advertise for the Harris E. Valentine Lecture that will be given on Thursday, next week, at 2:30pm Central Time (1:30pm Mountain Time) by Emily Riehl. Information regarding this talk follows my signature.

Kind regards,

Sacha Ikonicoff

PIMS/CNRS postdoctoral scholar
University of Calgary

The Kansas State University Department of Mathematics is hosting a Women Lecture Series<https://www.math.ksu.edu/events/wls/> in celebration of the 50th anniversary of the Association for Women in Mathematics<https://awm-math.org/>. The WLS includes  Distinguished Lectures and colloquium talks by women mathematicians planned throughout 2021. During Fall 2021, the talks will be in-person and/or streamed live. The talks will be held at 2:30pm-3:20pm Central Time on a Tuesday or a Thursday; there will be time for Q&A at the end of each talk.


HARRY E. VALENTINE LECTURE

EMILY RIEHL (Johns Hopkins University)

Thursday, September 16th, 2021, 2:30pm (Central Time)

Streamed live at https://youtu.be/s3Fnn-hbXL8

(No registration or sign in is needed, unless you would like to ask questions through the chat; in that case, you must login with a gmail account.)

Title:  Contractibility asuniqueness

Abstract: What does it mean for something to exist uniquely? Classically, to say that a set A has a unique element means that there is an element x of A and any other element y of A equals x. When this assertion is applied to a space A, instead of a mere set, and interpreted in a continuous fashion, it encodes the statement that the space is contractible, i.e., that A is continuously deformable to a point. This talk will explore this notion of contractibility as uniqueness and its role in generalizing from ordinary categories to infinite-dimensional categories.

Emily Riehl is an Associate Professor of Mathematics at Johns Hopkins University in Baltimore. Prior to coming to JHU, she was a Benjamin Peirce and NSF Postdoctoral Fellow at Harvard. She earned her PhD in 2011 from the University of Chicago, a Certificate of Advanced Study in 2007 from the University of Cambridge, and a BA in 2006 from Harvard. She is the author of two books, Categorical Homotopy Theory and Category Theory in Context, and a coauthor of a forthcoming research manuscript, Elements of ∞-Category Theory, co-written with her longtime collaborator Dominic Verity.

Link to poster<https://www.math.k-state.edu/events/wls/EmilyRiehl.pdf>

To learn more about the Harris E. Valentine Lecture click here<https://www.math.k-state.edu/research/lectures/valentine.html>.

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