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Posts by Andrés R. Vindas Meléndez

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#HMC #ComputerScience professor Lucas Bang has received the 2025 Undergraduate Research Faculty Mentoring Award from the #CRA Education Committee for his exceptional work with undergraduate students including mentorship, research and graduate school guidance. Read more at uqr.to/lb-cra.

1 month ago 1 2 0 0

Yay! Congratulations! When you know where you’re officially heading, I’m curious to hear!

2 months ago 3 0 0 0
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From Feb. 27–28, the #InnovationAcceleratorLab for Data Science and Social Impact will be hosting the Driving the Impact of Data Science (DIoDS) conference at #HMC. The #DIoDS conference will explore how #DataScience can be leveraged responsibly to serve society. More info at uqr.to/2627h.

2 months ago 3 1 0 1

Pretty much the same! 😂😭

3 months ago 1 0 0 0

I got my first “I f@#*ing hate math” of the year from someone who asked what I do for a living 🙃

Happy new year!

#mathsky

3 months ago 10 0 1 0
DIoDS Conference | Data Science and Social Impact | Harvey Mudd College

Join 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

www.hmc.edu/dssi/diods-c...

3 months ago 6 2 0 0

The 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!

5 months ago 8 4 0 0
Combinatorics at the Confluence • July 20–22, 2026 • Carnegie Mellon University Conference website for Combinatorics at the Confluence, July 20–22, 2026 at Carnegie Mellon University, Pittsburgh.

Combinatorics 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

6 months ago 9 4 0 0
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HMC mathematics professor @arvm.bsky.social has received an NSF grant that will fund geometric combinatorics research. Vindas Meléndez & his students will collaborate on original problems, many drawn from Ehrhart theory, which studies the properties of polytopes. uqr.to/nsf-gcr.

6 months ago 9 2 0 0
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Thank you! :)

7 months ago 0 0 0 0
NSF Grant Funds Geometric Combinatorics Research at Harvey Mudd College | Harvey Mudd College News | Harvey Mudd College

Hey, it's me :)

NSF Grant Funds Geometric Combinatorics Research at @hmc.edu ! #MathSky

www.hmc.edu/about/2025/0...

7 months ago 15 1 1 0
Group of mathematicians and friends taking selfie.

Group of mathematicians and friends taking selfie.

Mathematicians chatting around table.

Mathematicians chatting around table.

Happy 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!

7 months ago 6 0 1 0
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If 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: www.hmc.edu/mathematics/...

#mathsky

7 months ago 8 2 0 0

Friends, the mathematics department @hmc.edu is looking to hire a new tenure-track operations researcher who would feel at home in our department. Please spread the word: math.hmc.edu/tenure-track...

8 months ago 9 10 0 3
Tenure Track (Operations Research) – Harvey Mudd College Mathematics

We are hiring in Operations Research at @hmc.edu! If you or someone you know is on the job market, please consider applying: math.hmc.edu/tenure-track...

8 months ago 1 3 0 0
Prof. Andrés with group 1 of students.

Prof. Andrés with group 1 of students.

Prof. Andrés with group 2 of students.

Prof. Andrés with group 2 of students.

Today 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)

8 months ago 3 1 0 0
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Equivariant volumes of symmetric edge polytopes The symmetric edge polytope ($\mathrm{SEP}$) of a finite simple graph $G$ is a centrally symmetric lattice polytope whose vertices are defined by the edges of the graph. Among the information encoded ...

New 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

8 months ago 10 2 0 0
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The Surprising Math and Physics behind the 2026 World Cup Soccer Ball Here’s how the new tetrahedron-based design for the “Trionda” soccer ball may affect next year’s big game

ok i am aggressively not a sports person, but this story by @dodecalemma.bsky.social is so cool! and the graphics were fun to work on :) www.scientificamerican.com/article/the-...

8 months ago 18 8 3 2
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Squirrels LOVE octahedra.

8 months ago 25 5 3 2
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What is your favorite shape & why? For HMC math prof
@arvm.bsky.social it's a permutahedron, a symmetrical, convex polytope that exhibits many special properties. Read more about Vindas Meléndez's favorite shape & the key it holds to big mathematical mysteries on @sciam.bsky.social. uqr.to/arvm-sm.

9 months ago 8 1 0 0
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Yuan Zhou talks at the #mip2025 about how to estimate the solid angle of d-dimensional cones, which corresponds to the proportion of Rd occupied by them, and which does not has a known closed formula for d > 3.

1/N

10 months ago 8 2 1 0

Seems like today was a good day to be too busy to check social media during work hours

10 months ago 15 1 2 0
<em>Interlace</em> home page Interlace: A Journal of Mathematics and Fiber Arts

#MathSky there's a new online open-access (and free) journal for mathematics and fiber arts: Interlace. Now accepting manuscripts! Editors-in-Chief: sarah-marie belcastro and Carolyn Yackel. 🧶
www.interlace-journal.org

10 months ago 38 17 1 2
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A New Definition of Pain FoxTrot by Bill Amend | May 4, 2025

Happy Star Wars day! May the Fourth be with you!
foxtrot.com/2025/05/04/a...

11 months ago 1 0 0 0

No, only in captivity.

11 months ago 1 0 0 0
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Release Release_1_6_11 · 4ti2/4ti2 What's Changed .github/workflows/ci-sage.yml: Update, use passagemath, remove cygwin by @mkoeppe in #45 Modernize the build system / drop support for old toolchains by @orlitzky in #44 New Contr...

New release of 4ti2, the package for algebraic, geometric and combinatorial problems on linear spaces. This is a maintenance release with no new features.
github.com/4ti2/4ti2/re...
#FOSS #MathSky

11 months ago 4 2 0 0
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The Ehrhart polynomial of a matroid specializes to the beta invariant We show that the linear coefficient of the Ehrhart polynomial of a matroid base polytope evaluated at $t-1$ is equal to, up to normalization, the $β$-invariant of the matroid. This yields a lattice-po...

New 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

11 months ago 8 1 0 0
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HMC mathematics professor @arvm.bsky.social has co-authored a paper on polynomial properties in polyhedral geometry. Read the full article about Vindas Meléndez's paper on the behavior of local h-polynomials on our news page. uqr.to/hmc-arvm.

1 year ago 7 2 0 0
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Profs. @haydeelindo.bsky.social, @jamiehadd.bsky.social & Talithia Williams share the Institute for Data Science and Social Impact, which will foster interdisciplinary collaboration, advance data science research, & create pathways to apply data-informed methods to real-world issues. uqr.to/iap-dssi

1 year ago 13 5 0 0
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HMC mathematics professor @jamiehadd.bsky.social has been awarded a CAREER grant from the NSF. The grant supports Haddock's desire to be a mentor and increase access in data science for groups that have been historically excluded from research mathematics. uqr.to/haddock-career.

1 year ago 13 4 1 0