Mathematician & Educator | Assistant Professor at Harvey Mudd Collegehttps://bsky.app/profile/arvm.bsky.socialhttps://bsky.app/profile/arvm.bsky.social/post/3mr6g4qs3ac2i¡Hola a todos en Costa Rica! Charla pública: "La Forma de lo Posible" con Federico Ardila. No requiere conocimientos previos. ¡Además habrá música! ¿Cuándo?: 5 de agosto, 2026 | 5 PM ¿Dónde?: Universidad de Costa Rica, Sede Rodrigo Facio (Auditorio de Derecho) ¡No se lo pierdan, nos vemos allá21 Jul 2026 18:16 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3mr6g4qs3ac2ihttps://bsky.app/profile/arvm.bsky.social/post/3mo2c3bfst222#MathSky: Is it okay to email a copy of one of my papers to an editor of a journal to ask if they think it might be a good fit before submitting it to that journal?11 Jun 2026 22:37 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3mo2c3bfst222https://bsky.app/profile/arvm.bsky.social/post/3mmist6sgpc26RIP, Richard Tapia! I recall his recounting of his mother's teachings & I hope that I can continue to live by them, just as he did: 1) Be proud; 2) Believe that you can (sí se puede); 3) Demonstrate good work habits; 4) Strive for global excellence. Richard's testimonio: shorturl.at/7KYjK #MathSky23 May 2026 06:24 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3mmist6sgpc26https://bsky.app/profile/arvm.bsky.social/post/3mlqvrpo2is23What journals do you recommend/like for publishing mathematics research with undergraduates? #MathSky13 May 2026 18:13 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3mlqvrpo2is23https://bsky.app/profile/arvm.bsky.social/post/3mcdtvsmkmc2pI got my first “I f@#*ing hate math” of the year from someone who asked what I do for a living 🙃 Happy new year! #mathsky14 Jan 2026 00:48 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3mcdtvsmkmc2phttps://bsky.app/profile/arvm.bsky.social/post/3mcbtxfxsdk2xJoin us Feb 27-28, 2026 at Harvey Mudd College (@hmc.edu) for the Driving the Impact of Data Science (DIoDS) Conference! We have a wonderful lineup of speakers! There are different ways to contribute! Registration & information in the link below. #mathsky https://www.hmc.edu/dssi/diods-conference/13 Jan 2026 05:44 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3mcbtxfxsdk2xhttps://bsky.app/profile/arvm.bsky.social/post/3m4h7qajoys2dThe Mathematical Connections Seminar is something I have started and organized since coming to Harvey Mudd. If you’re ever in the area and would love to speak at the MCS, please reach out! [contains quote post or other embedded content]31 Oct 2025 00:26 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3m4h7qajoys2dhttps://bsky.app/profile/arvm.bsky.social/post/3m3d4bgmohc2pCombinatorics friends and math friends in/near Pittsburgh, I invite you to attend "Combinatorics at the Confluence" July 2026! #MathSky Jul 20-22, Carnegie Mellon University, Pittsburgh, PA, Combinatorics at the Confluence combcon.github.io https://combcon.github.io/16 Oct 2025 15:49 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3m3d4bgmohc2phttps://bsky.app/profile/arvm.bsky.social/post/3lz54qufaf22jHey, it's me :) NSF Grant Funds Geometric Combinatorics Research at @hmc.edu ! #MathSky https://www.hmc.edu/about/2025/09/18/nsf-grant-funds-geometric-combinatorics-research-at-harvey-mudd-college/18 Sep 2025 19:51 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3lz54qufaf22jhttps://bsky.app/profile/arvm.bsky.social/post/3lywmoi2pn22jHappy to have had friends and colleagues from Harvey Mudd, Pomona College, and Cal Poly Pomona over at my house to welcome my friend, Federico Ardila, to the area!16 Sep 2025 05:47 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3lywmoi2pn22jhttps://bsky.app/profile/arvm.bsky.social/post/3lxdzchykjs2rIf you're in the Los Ángeles area, join us at @hmc.edu for this year's Moody Lecture on September 16! This year's speaker is my dear friend and mentor, Federico Ardila-Mantilla. For more information: https://www.hmc.edu/mathematics/activities/moody-lecture-series/ #mathsky27 Aug 2025 02:47 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3lxdzchykjs2rhttps://bsky.app/profile/arvm.bsky.social/post/3lw5rqruobs2cWe are hiring in Operations Research at @hmc.edu! If you or someone you know is on the job market, please consider applying: https://math.hmc.edu/tenure-track-or/11 Aug 2025 21:51 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3lw5rqruobs2chttps://bsky.app/profile/arvm.bsky.social/post/3lveh6vqt5k2dToday was our last day of our research experience and I am extremely proud of my summer research students @hmc.edu! Group one (Tito Cuchilla ‘26, Joseph Hound @claremontgraduateu.bsky.social, Cole Plepel ‘27, Louis Ye ‘27) Group two (Cameron Ake ‘28, Spencer Lewis ‘28, Amanda Louie ‘28)01 Aug 2025 20:06 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3lveh6vqt5k2dhttps://bsky.app/profile/arvm.bsky.social/post/3luzwmbsxo223New preprint announcement! This is my FIRST paper with @hmc.edu students and a @claremontgraduateu.bsky.social grad student! Very proud of this paper and the students who worked with me this summer. “Equivariant volumes of symmetric edge polytopes” arxiv.org/abs/2507.18846 https://arxiv.org/abs/2507.1884628 Jul 2025 15:42 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3luzwmbsxo223https://bsky.app/profile/arvm.bsky.social/post/3loecdzx2hc22Happy Star Wars day! May the Fourth be with you! https://foxtrot.com/2025/05/04/a-new-definition-of-pain/04 May 2025 16:43 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3loecdzx2hc22https://bsky.app/profile/arvm.bsky.social/post/3lnitlbg35s2fNew paper with awesome collaborators! "The Ehrhart polynomial of a matroid specializes to the beta invariant" with Anastasia Chavez (SMC), Galen Dorpalen-Barry (Texas A&M), Luis Ferroni (IAS & UniPi), Fu Liu (UC Davis), and Felipe Rincón (QMUL). #mathsky arxiv.org/abs/2504.15518 https://arxiv.org/abs/2504.1551823 Apr 2025 18:36 +0000at://did:plc:rcvokwyshc7di7srcazcdpnt/app.bsky.feed.post/3lnitlbg35s2f