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DTSTART;TZID=America/Los_Angeles:20261026T161500
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SUMMARY:Initial Conditions and the Big Push (Daniel Velasquez\, CMC)
DESCRIPTION:This paper examines how initial conditions shape the long-run impact of large temporary shocks on economic geography. Using WWII supply contracts in the United States\, we show that temporary spending had persistent effects on population and manufacturing employment only in counties with low initial manufacturing development. Motivated by these findings\, we develop a multisector economic geography model that features external economies of scale in manufacturing with non-constant elasticity. We calibrate the model and show that we match the empirical estimates with an S-shaped scale function for which scale economies large enough to cause coordination failures are limited to locations with low initial manufacturing employment. We use the calibrated model to re-evaluate how temporary WWII spending shaped the evolution of U.S. postwar economic geography. Despite the presence of big push dynamics and multiple steady states\, the aggregate effects of WWII spending on long-term outcomes are limited due to the restricted domain over which coordination failures operate. \nYou can find an online version of the paper here:  https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5408984
URL:https://colleges.claremont.edu/ccms/event/initial-conditions-and-the-big-push-daniel-velasquez-cmc/
LOCATION:Estella 1021 (Emmy Noether Room)\, Pomona College\, Claremont\, CA\, 91711\, United States
CATEGORIES:Applied Math Seminar
ORGANIZER;CN="Ami Radunskaya":MAILTO:aradunskaya@pomona.edu
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DTSTART;TZID=America/Los_Angeles:20261027T121500
DTEND;TZID=America/Los_Angeles:20261027T131000
DTSTAMP:20261022T212649Z
CREATED:20261022T212649Z
LAST-MODIFIED:20261022T212649Z
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SUMMARY:Lüroth semigroups of hyperelliptic curves over number fields (Jasmine Camero\, Pomona College)
DESCRIPTION:Let $C$ be a smooth\, projective\, geometrically integral hyperelliptic curve of genus $g \ge 2$ over a number field $k$. We investigate the structure of the $\mathbb{P}^1$-parameterized density degree set $\delta_{\mathbb{P}^1}(C/k)$ (equivalently\, the Lüroth semigroup) for such curves\, consisting of degrees arising from morphisms to $\mathbb{P}^1$. Building on foundational frameworks for parameterized points\, we provide a comprehensive classification of these sets. Specifically\, we establish a master classification theorem that links the admissibility of odd degrees directly to Brill-Noether loci on the Jacobian variety. Our results characterize both the extreme behaviors\, dictated by whether the rational points of the Jacobian are Zariski dense or finite\, and the intermediate spectrum of possible minimum odd integers.
URL:https://colleges.claremont.edu/ccms/event/luroth-semigroups-of-hyperelliptic-curves-over-number-fields-jasmine-camero-pomona-college/
LOCATION:Estella 1021 (Emmy Noether Room)\, Pomona College\, Claremont\, CA\, 91711\, United States
CATEGORIES:Algebra / Number Theory / Combinatorics Seminar
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DTSTART;TZID=America/Los_Angeles:20261027T161500
DTEND;TZID=America/Los_Angeles:20261027T171500
DTSTAMP:20261003T001648Z
CREATED:20261003T001648Z
LAST-MODIFIED:20261003T001648Z
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SUMMARY:Claremont Topology Seminar: Robert Cass (CMC)
DESCRIPTION:Speaker: Robert Cass (CMC) \nTitle: TBA\n \nAbstract: TBA \n_______ \nWe especially welcome all undergraduates and graduate students to attend topology seminar! \nRoom: Roberts South 103
URL:https://colleges.claremont.edu/ccms/event/claremont-topology-seminar-robert-cass-cmc/
LOCATION:Roberts South 103\, Roberts Hall South 103\, Claremont McKenna College\, E 8th St\, Claremont\, CA\, 91711\, United States
CATEGORIES:Topology Seminar
ORGANIZER;CN="Bahar Acu":MAILTO:Bahar_Acu@pitzer.edu
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DTSTART;TZID=America/Los_Angeles:20261028T160000
DTEND;TZID=America/Los_Angeles:20261028T173000
DTSTAMP:20261025T003702Z
CREATED:20261025T003444Z
LAST-MODIFIED:20261025T003702Z
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SUMMARY:47 Lecture - Ismar Volić (Wellesley College)
DESCRIPTION:The mathematics of democracy\, from theory to practice\nMathematics has played a largely unseen role in democracy for centuries\, influencing everything from how votes are counted to how political boundaries are drawn. Today\, classical mathematical ideas are finding unexpected new applications\, while unprecedented computational resources are opening new avenues for analyzing and improving democratic systems. This talk will explore the historical connections between mathematics and democracy and survey contemporary research at this intersection\, including voting theory\, districting\, apportionment\, proportional representation\, and digital democracy. Along the way\, it will consider how mathematical rigor can be brought into productive dialogue with the complex human realities of politics\, an increasingly important challenge at a time of profound strain on democratic institutions.\n\nIsmar Volić is a Professor of Mathematics and the Director of the Institute for Mathematics and Democracy at Wellesley College. He graduated from Boston University and received his Ph.D. in mathematics from Brown University. His research is in topology and social choice theory. He is the author of many articles and books and has delivered more than three hundred lectures in over twenty countries. He was a visiting professor at Harvard University\, MIT\, and the University of Virginia\, and is a 2026 Fellow of the American Mathematical Society. His writing has appeared in publications such as The Hill\, TIME\, and LitHub. His latest book\, Making Democracy Count: How Mathematics Improves Voting\, Electoral Maps\, and Representation\, won the Mathematical Association of America’s Euler Prize and was a finalist for the PROSE award given by the Association of American Publishers. The book is based on The Mathematics of Democracy\, a popular course he created and has taught for several years at Wellesley. His TEDx talk which highlights the main ideas from the book\, The hidden math that shapes democracy\, was selected as a TED Editors’ Pick.\n\nArgue Auditorium is on the first floor of Pomona College’s Estella Laboratory at 610 N College Ave.  The talk is free and open to the Claremont community. A reception will follow the talk at 5:30pm.
URL:https://colleges.claremont.edu/ccms/event/47-lecture-ismar-volic-wellesley-college/
LOCATION:Argue Auditorium\, Pomona College\, 610 N. College Ave.\, Claremont\, CA\, 91711\, United States
CATEGORIES:Special Event
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