Mathilde Papillon
@mathildepapillon.bsky.social
Deep Learning + Topology + Human Movement
Physics PhD candidate
Now at Geometric Intelligence Lab, UC Santa Barbara and Los Angeles Dodgers
Prev McGill Physics
mathildep.ca
Physics PhD candidate
Now at Geometric Intelligence Lab, UC Santa Barbara and Los Angeles Dodgers
Prev McGill Physics
mathildep.ca
Reposted by Mathilde Papillon
Thrilled to see these two papers by Simon Mataigne, co-authored with P.-A. Absil published this month 🤩
They connect deep mathematical theory to practical algorithms on the Stiefel manifold and the approximation of the Riemannian barycenter 🌐
Details & papers👇 @geometric-intel.bsky.social
They connect deep mathematical theory to practical algorithms on the Stiefel manifold and the approximation of the Riemannian barycenter 🌐
Details & papers👇 @geometric-intel.bsky.social
October 31, 2025 at 7:00 PM
Thrilled to see these two papers by Simon Mataigne, co-authored with P.-A. Absil published this month 🤩
They connect deep mathematical theory to practical algorithms on the Stiefel manifold and the approximation of the Riemannian barycenter 🌐
Details & papers👇 @geometric-intel.bsky.social
They connect deep mathematical theory to practical algorithms on the Stiefel manifold and the approximation of the Riemannian barycenter 🌐
Details & papers👇 @geometric-intel.bsky.social
Reposted by Mathilde Papillon
I am recruiting PhD students for 2026!😃
You want to reveal the geometric signatures of natural and artificial intelligence, and understand computations in brains and AI? 🌐🧠🤖
Apply to the UCSB Geometric Intelligence Lab ✨
This is the view you'd have from... your desk🌴
You want to reveal the geometric signatures of natural and artificial intelligence, and understand computations in brains and AI? 🌐🧠🤖
Apply to the UCSB Geometric Intelligence Lab ✨
This is the view you'd have from... your desk🌴
October 22, 2025 at 5:32 PM
I am recruiting PhD students for 2026!😃
You want to reveal the geometric signatures of natural and artificial intelligence, and understand computations in brains and AI? 🌐🧠🤖
Apply to the UCSB Geometric Intelligence Lab ✨
This is the view you'd have from... your desk🌴
You want to reveal the geometric signatures of natural and artificial intelligence, and understand computations in brains and AI? 🌐🧠🤖
Apply to the UCSB Geometric Intelligence Lab ✨
This is the view you'd have from... your desk🌴
We are ✨42✨ days away from the Topological Deep Learning Challenge deadline!
Not sure where to start? Participating is as simple as implementing an existing graph dataset :)
Win cash prizes up to 800$ USD graciously offered by #ArlequinAI or internships at UCSB and EPFL
Not sure where to start? Participating is as simple as implementing an existing graph dataset :)
Win cash prizes up to 800$ USD graciously offered by #ArlequinAI or internships at UCSB and EPFL
🏆The 2025 Topological Deep Learning Challenge is officially live!🏆
Hosted by the TAGinDS Conference 2025
🚀 This year, push the boundaries of topological ML by “Expanding the Data Landscape”
💰 Win incredible prizes, including research internships at UCSB and EPFL, as well as up to $800 US in cash!
Hosted by the TAGinDS Conference 2025
🚀 This year, push the boundaries of topological ML by “Expanding the Data Landscape”
💰 Win incredible prizes, including research internships at UCSB and EPFL, as well as up to $800 US in cash!
October 14, 2025 at 6:20 PM
We are ✨42✨ days away from the Topological Deep Learning Challenge deadline!
Not sure where to start? Participating is as simple as implementing an existing graph dataset :)
Win cash prizes up to 800$ USD graciously offered by #ArlequinAI or internships at UCSB and EPFL
Not sure where to start? Participating is as simple as implementing an existing graph dataset :)
Win cash prizes up to 800$ USD graciously offered by #ArlequinAI or internships at UCSB and EPFL
🏆The 2025 Topological Deep Learning Challenge is officially live!🏆
Hosted by the TAGinDS Conference 2025
🚀 This year, push the boundaries of topological ML by “Expanding the Data Landscape”
💰 Win incredible prizes, including research internships at UCSB and EPFL, as well as up to $800 US in cash!
Hosted by the TAGinDS Conference 2025
🚀 This year, push the boundaries of topological ML by “Expanding the Data Landscape”
💰 Win incredible prizes, including research internships at UCSB and EPFL, as well as up to $800 US in cash!
September 22, 2025 at 4:29 PM
🏆The 2025 Topological Deep Learning Challenge is officially live!🏆
Hosted by the TAGinDS Conference 2025
🚀 This year, push the boundaries of topological ML by “Expanding the Data Landscape”
💰 Win incredible prizes, including research internships at UCSB and EPFL, as well as up to $800 US in cash!
Hosted by the TAGinDS Conference 2025
🚀 This year, push the boundaries of topological ML by “Expanding the Data Landscape”
💰 Win incredible prizes, including research internships at UCSB and EPFL, as well as up to $800 US in cash!
Reposted by Mathilde Papillon
In the 20th century, non-Euclidean geometry transformed how we model the world with pen and paper.
Now, it is disrupting how we model the world with machines.
Learn more in our illustrated guide to non-Euclidean ML and AI👇
Now, it is disrupting how we model the world with machines.
Learn more in our illustrated guide to non-Euclidean ML and AI👇
Our illustrated guide to non-Euclidian ML is finally published!
Check it out for
⭐️ gorgeous figures (with new additions!) on topology, algebra, and geometry in the field
⭐️ broken down tables for easy reading
⭐️ accessible text, additional refs, and more
iopscience.iop.org/article/10.1...
Check it out for
⭐️ gorgeous figures (with new additions!) on topology, algebra, and geometry in the field
⭐️ broken down tables for easy reading
⭐️ accessible text, additional refs, and more
iopscience.iop.org/article/10.1...
August 6, 2025 at 3:24 PM
In the 20th century, non-Euclidean geometry transformed how we model the world with pen and paper.
Now, it is disrupting how we model the world with machines.
Learn more in our illustrated guide to non-Euclidean ML and AI👇
Now, it is disrupting how we model the world with machines.
Learn more in our illustrated guide to non-Euclidean ML and AI👇
Our illustrated guide to non-Euclidian ML is finally published!
Check it out for
⭐️ gorgeous figures (with new additions!) on topology, algebra, and geometry in the field
⭐️ broken down tables for easy reading
⭐️ accessible text, additional refs, and more
iopscience.iop.org/article/10.1...
Check it out for
⭐️ gorgeous figures (with new additions!) on topology, algebra, and geometry in the field
⭐️ broken down tables for easy reading
⭐️ accessible text, additional refs, and more
iopscience.iop.org/article/10.1...
August 1, 2025 at 3:24 PM
Our illustrated guide to non-Euclidian ML is finally published!
Check it out for
⭐️ gorgeous figures (with new additions!) on topology, algebra, and geometry in the field
⭐️ broken down tables for easy reading
⭐️ accessible text, additional refs, and more
iopscience.iop.org/article/10.1...
Check it out for
⭐️ gorgeous figures (with new additions!) on topology, algebra, and geometry in the field
⭐️ broken down tables for easy reading
⭐️ accessible text, additional refs, and more
iopscience.iop.org/article/10.1...
Hi! Who is at ICML? Feel free to reach out:)
Our poster session starts tomorrow at 11am E-3101
Our poster session starts tomorrow at 11am E-3101
TopoTune is going to ICML 2025!🎉🇨🇦
Curious to try topological deep learning with your custom GNN or your specific dataset? We built this for you! Find out how to get started at geometric-intelligence.github.io/topotune/
Curious to try topological deep learning with your custom GNN or your specific dataset? We built this for you! Find out how to get started at geometric-intelligence.github.io/topotune/
July 15, 2025 at 5:59 PM
Hi! Who is at ICML? Feel free to reach out:)
Our poster session starts tomorrow at 11am E-3101
Our poster session starts tomorrow at 11am E-3101
Reposted by Mathilde Papillon
Can #AI become a true scientist? @ninamiolane.bsky.social explores how new technologies are reshaping scientific discovery, and why human expertise remains essential as we enter a new era of research powered by intelligent algorithms. 🧪
plos.io/4kZi0aB
plos.io/4kZi0aB
The fifth era of science: Artificial scientific intelligence
Can AI become a true scientist? This Perspective explores how new technologies are reshaping scientific discovery, and why human expertise remains essential as we enter a new era of research powered b...
plos.io
June 11, 2025 at 3:57 PM
Can #AI become a true scientist? @ninamiolane.bsky.social explores how new technologies are reshaping scientific discovery, and why human expertise remains essential as we enter a new era of research powered by intelligent algorithms. 🧪
plos.io/4kZi0aB
plos.io/4kZi0aB
Reposted by Mathilde Papillon
Pregnancy &motherhood transform the brain in ways we're only beginning to understand🧠
Uncovering these changes w/ @susanacarmona.bsky.social @magdamartinezga.bsky.social @emilyjacobs.bsky.social @grotzinger.bsky.social Kaya Jordan & @cziscience.bsky.social's generous support!
tinyurl.com/38jb7hm6
Uncovering these changes w/ @susanacarmona.bsky.social @magdamartinezga.bsky.social @emilyjacobs.bsky.social @grotzinger.bsky.social Kaya Jordan & @cziscience.bsky.social's generous support!
tinyurl.com/38jb7hm6
May 29, 2025 at 3:21 PM
Pregnancy &motherhood transform the brain in ways we're only beginning to understand🧠
Uncovering these changes w/ @susanacarmona.bsky.social @magdamartinezga.bsky.social @emilyjacobs.bsky.social @grotzinger.bsky.social Kaya Jordan & @cziscience.bsky.social's generous support!
tinyurl.com/38jb7hm6
Uncovering these changes w/ @susanacarmona.bsky.social @magdamartinezga.bsky.social @emilyjacobs.bsky.social @grotzinger.bsky.social Kaya Jordan & @cziscience.bsky.social's generous support!
tinyurl.com/38jb7hm6
Reposted by Mathilde Papillon
We are looking for reviewers to serve on the Program Committee of the Symmetry and Geometry in Neural Representations (NeurReps) workshop at NeurIPS 2025! If you are interested in participating, please fill out this form: forms.gle/wgUXHT7Mq71n...
@neurreps.bsky.social
@neurreps.bsky.social
May 23, 2025 at 5:51 PM
We are looking for reviewers to serve on the Program Committee of the Symmetry and Geometry in Neural Representations (NeurReps) workshop at NeurIPS 2025! If you are interested in participating, please fill out this form: forms.gle/wgUXHT7Mq71n...
@neurreps.bsky.social
@neurreps.bsky.social
TopoTune is going to ICML 2025!🎉🇨🇦
Curious to try topological deep learning with your custom GNN or your specific dataset? We built this for you! Find out how to get started at geometric-intelligence.github.io/topotune/
Curious to try topological deep learning with your custom GNN or your specific dataset? We built this for you! Find out how to get started at geometric-intelligence.github.io/topotune/
May 19, 2025 at 6:04 PM
TopoTune is going to ICML 2025!🎉🇨🇦
Curious to try topological deep learning with your custom GNN or your specific dataset? We built this for you! Find out how to get started at geometric-intelligence.github.io/topotune/
Curious to try topological deep learning with your custom GNN or your specific dataset? We built this for you! Find out how to get started at geometric-intelligence.github.io/topotune/
Come find me @gsp-workshop.bsky.social at MILA all week! Can’t wait to be back in Montreal connecting with the community🕸️
I’ll be speaking on purely graph-based (!) Topological Deep Learning first thing tomorrow at 9am. Let’s kick off this workshop in style🍩
I’ll be speaking on purely graph-based (!) Topological Deep Learning first thing tomorrow at 9am. Let’s kick off this workshop in style🍩
We’re absolutely thrilled to have an exciting lineup of speakers this year covering a wide range of topics, including @pseudomanifold.topology.rocks @dom-beaini.bsky.social @mathildepapillon.bsky.social Dhananjay Bhaskar, Naoki Saito!
May 13, 2025 at 7:59 PM
Come find me @gsp-workshop.bsky.social at MILA all week! Can’t wait to be back in Montreal connecting with the community🕸️
I’ll be speaking on purely graph-based (!) Topological Deep Learning first thing tomorrow at 9am. Let’s kick off this workshop in style🍩
I’ll be speaking on purely graph-based (!) Topological Deep Learning first thing tomorrow at 9am. Let’s kick off this workshop in style🍩
Reposted by Mathilde Papillon
How can neural nets extract *interpretable* features from data—& uncover new science?
👉 Discover our mathematical framework tackling this question w/ identifiability theory, compressed sensing, interpretability & geometry!🌐
By @david-klindt.bsky.social @rpatrik96.bsky.social C. O'Neill H Maurer
👉 Discover our mathematical framework tackling this question w/ identifiability theory, compressed sensing, interpretability & geometry!🌐
By @david-klindt.bsky.social @rpatrik96.bsky.social C. O'Neill H Maurer
March 5, 2025 at 2:41 PM
How can neural nets extract *interpretable* features from data—& uncover new science?
👉 Discover our mathematical framework tackling this question w/ identifiability theory, compressed sensing, interpretability & geometry!🌐
By @david-klindt.bsky.social @rpatrik96.bsky.social C. O'Neill H Maurer
👉 Discover our mathematical framework tackling this question w/ identifiability theory, compressed sensing, interpretability & geometry!🌐
By @david-klindt.bsky.social @rpatrik96.bsky.social C. O'Neill H Maurer
Reposted by Mathilde Papillon
🔵 New paper! We explore sparse coding, superposition, and the Linear Representation Hypothesis (LRH) through identifiability theory, compressed sensing, and interpretability. If you’re curious about lifting neural reps out of superposition, this might interest you! 🤓
arxiv.org/abs/2503.01824
arxiv.org/abs/2503.01824
From superposition to sparse codes: interpretable representations in neural networks
Understanding how information is represented in neural networks is a fundamental challenge in both neuroscience and artificial intelligence. Despite their nonlinear architectures, recent evidence sugg...
arxiv.org
March 4, 2025 at 7:43 PM
🔵 New paper! We explore sparse coding, superposition, and the Linear Representation Hypothesis (LRH) through identifiability theory, compressed sensing, and interpretability. If you’re curious about lifting neural reps out of superposition, this might interest you! 🤓
arxiv.org/abs/2503.01824
arxiv.org/abs/2503.01824
Reposted by Mathilde Papillon
How does AI memorize information? How does ChatGPT remember your name? How do RNNs keep track of simple numbers?
Our new paper led by Bariscan Kurtkaya & Fatih Dinc explores the geometry of short-term memory in neural networks—revealing limits in how information is stored!🧵
arxiv.org/abs/2502.17433
Our new paper led by Bariscan Kurtkaya & Fatih Dinc explores the geometry of short-term memory in neural networks—revealing limits in how information is stored!🧵
arxiv.org/abs/2502.17433
March 3, 2025 at 4:34 PM
How does AI memorize information? How does ChatGPT remember your name? How do RNNs keep track of simple numbers?
Our new paper led by Bariscan Kurtkaya & Fatih Dinc explores the geometry of short-term memory in neural networks—revealing limits in how information is stored!🧵
arxiv.org/abs/2502.17433
Our new paper led by Bariscan Kurtkaya & Fatih Dinc explores the geometry of short-term memory in neural networks—revealing limits in how information is stored!🧵
arxiv.org/abs/2502.17433
Reposted by Mathilde Papillon
🤖 New Talk: Geometric Intelligence in Minds & Machines 🧠 Available on Youtube:
www.youtube.com/watch?v=1RtH...
@louisacornelis.bsky.social & I opened the 2025 @neurreps.bsky.social Global Speaker Series !
Thanks @mathildepapillon.bsky.social Chase VDG @btolooshams.bsky.social for hosting!
www.youtube.com/watch?v=1RtH...
@louisacornelis.bsky.social & I opened the 2025 @neurreps.bsky.social Global Speaker Series !
Thanks @mathildepapillon.bsky.social Chase VDG @btolooshams.bsky.social for hosting!
February 25, 2025 at 4:00 PM
🤖 New Talk: Geometric Intelligence in Minds & Machines 🧠 Available on Youtube:
www.youtube.com/watch?v=1RtH...
@louisacornelis.bsky.social & I opened the 2025 @neurreps.bsky.social Global Speaker Series !
Thanks @mathildepapillon.bsky.social Chase VDG @btolooshams.bsky.social for hosting!
www.youtube.com/watch?v=1RtH...
@louisacornelis.bsky.social & I opened the 2025 @neurreps.bsky.social Global Speaker Series !
Thanks @mathildepapillon.bsky.social Chase VDG @btolooshams.bsky.social for hosting!
Reposted by Mathilde Papillon
Thanks for hosting this Mathilde!
Thank you to everyone who showed up in person and online! Congrats to @ninamiolane.bsky.social and @louisacornelis.bsky.social for some stellar talks🤩
February 22, 2025 at 12:11 AM
Thanks for hosting this Mathilde!
Thank you to everyone who showed up in person and online! Congrats to @ninamiolane.bsky.social and @louisacornelis.bsky.social for some stellar talks🤩
February 21, 2025 at 11:56 PM
Thank you to everyone who showed up in person and online! Congrats to @ninamiolane.bsky.social and @louisacornelis.bsky.social for some stellar talks🤩
Reposted by Mathilde Papillon
Join us remotely or in person to hear from @ninamiolane.bsky.social and @louisacornelis.bsky.social on Geometric Intelligence in Minds and Mahcines.
Thanks, @mathildepapillon.bsky.social, for hosting!
Thanks, @mathildepapillon.bsky.social, for hosting!
📢 NeurReps Speaker Series seminar is back!
@ucsb.bsky.social is hosting us for a talk by @ninamiolane.bsky.social and @louisacornelis.bsky.social on Geometric Intelligence in Minds and Machines! 🧠
🗓️This Friday, February 21st, 11 AM PT
Join in person at UCSB (Elings, 1605) or on Zoom!
@ucsb.bsky.social is hosting us for a talk by @ninamiolane.bsky.social and @louisacornelis.bsky.social on Geometric Intelligence in Minds and Machines! 🧠
🗓️This Friday, February 21st, 11 AM PT
Join in person at UCSB (Elings, 1605) or on Zoom!
February 19, 2025 at 5:09 PM
Join us remotely or in person to hear from @ninamiolane.bsky.social and @louisacornelis.bsky.social on Geometric Intelligence in Minds and Mahcines.
Thanks, @mathildepapillon.bsky.social, for hosting!
Thanks, @mathildepapillon.bsky.social, for hosting!
Reposted by Mathilde Papillon
Variational Flow Matching goes Riemannian! 🔮
In this preliminary work, we derive a variational objective for probability flows 🌀 on manifolds with closed-form geodesics, and discuss some interesting results.
Dream team: Floor, Alison & Erik (their @ below) 💥
📜 arxiv.org/abs/2502.12981
🧵1/5
In this preliminary work, we derive a variational objective for probability flows 🌀 on manifolds with closed-form geodesics, and discuss some interesting results.
Dream team: Floor, Alison & Erik (their @ below) 💥
📜 arxiv.org/abs/2502.12981
🧵1/5
February 19, 2025 at 3:13 PM
Variational Flow Matching goes Riemannian! 🔮
In this preliminary work, we derive a variational objective for probability flows 🌀 on manifolds with closed-form geodesics, and discuss some interesting results.
Dream team: Floor, Alison & Erik (their @ below) 💥
📜 arxiv.org/abs/2502.12981
🧵1/5
In this preliminary work, we derive a variational objective for probability flows 🌀 on manifolds with closed-form geodesics, and discuss some interesting results.
Dream team: Floor, Alison & Erik (their @ below) 💥
📜 arxiv.org/abs/2502.12981
🧵1/5
I am excited to host the next edition of the NeurReps Global Seminar Series, from @neurreps.bsky.social!
@ninamiolane.bsky.social and @louisacornelis.bsky.social will be speaking on 🧠Geometric Intelligence in Minds and Machines🤖
📅Friday, Feb 21st, 11am PST
Join us at UCSB (Elings,1605) or on Zoom!
@ninamiolane.bsky.social and @louisacornelis.bsky.social will be speaking on 🧠Geometric Intelligence in Minds and Machines🤖
📅Friday, Feb 21st, 11am PST
Join us at UCSB (Elings,1605) or on Zoom!
February 19, 2025 at 4:29 PM
I am excited to host the next edition of the NeurReps Global Seminar Series, from @neurreps.bsky.social!
@ninamiolane.bsky.social and @louisacornelis.bsky.social will be speaking on 🧠Geometric Intelligence in Minds and Machines🤖
📅Friday, Feb 21st, 11am PST
Join us at UCSB (Elings,1605) or on Zoom!
@ninamiolane.bsky.social and @louisacornelis.bsky.social will be speaking on 🧠Geometric Intelligence in Minds and Machines🤖
📅Friday, Feb 21st, 11am PST
Join us at UCSB (Elings,1605) or on Zoom!
Reposted by Mathilde Papillon
Incredibly grateful to @cziscience.bsky.social for this second award supporting our work in AI for women’s brain health @bowers-wbhi.bsky.social !🌟
The WBHI advances healthcare for all by developing inclusive AI on multi-modal biomedical datasets that include phenotypes relevant to women's health.
The WBHI advances healthcare for all by developing inclusive AI on multi-modal biomedical datasets that include phenotypes relevant to women's health.
February 12, 2025 at 3:29 PM
Incredibly grateful to @cziscience.bsky.social for this second award supporting our work in AI for women’s brain health @bowers-wbhi.bsky.social !🌟
The WBHI advances healthcare for all by developing inclusive AI on multi-modal biomedical datasets that include phenotypes relevant to women's health.
The WBHI advances healthcare for all by developing inclusive AI on multi-modal biomedical datasets that include phenotypes relevant to women's health.
Reposted by Mathilde Papillon
Your phone’s facial recognition, the internet, and futuristic LEDs - what do they all have in common? Light! Santa Barbara folks📢: Please join us Tuesday Feb. 18th at 6pm, at Brass Bear Brewing in downtown SB for Roark Chao's talk on using metasurfaces to control light⚡️🔦
February 6, 2025 at 10:10 PM
Your phone’s facial recognition, the internet, and futuristic LEDs - what do they all have in common? Light! Santa Barbara folks📢: Please join us Tuesday Feb. 18th at 6pm, at Brass Bear Brewing in downtown SB for Roark Chao's talk on using metasurfaces to control light⚡️🔦
Reposted by Mathilde Papillon
Enjoying and learning a lot from this piece! I don’t know if the best reading choice for a week of holiday 🤣🤯 but 100% recommended if you are like me still getting your head around TDL/GDL.
@mathildepapillon.bsky.social and co-authors 🙌👏
arxiv.org/pdf/2407.09468
@mathildepapillon.bsky.social and co-authors 🙌👏
arxiv.org/pdf/2407.09468
February 6, 2025 at 2:32 PM
Enjoying and learning a lot from this piece! I don’t know if the best reading choice for a week of holiday 🤣🤯 but 100% recommended if you are like me still getting your head around TDL/GDL.
@mathildepapillon.bsky.social and co-authors 🙌👏
arxiv.org/pdf/2407.09468
@mathildepapillon.bsky.social and co-authors 🙌👏
arxiv.org/pdf/2407.09468
Reposted by Mathilde Papillon
We’re absolutely thrilled to have an exciting lineup of speakers this year covering a wide range of topics, including @pseudomanifold.topology.rocks @dom-beaini.bsky.social @mathildepapillon.bsky.social Dhananjay Bhaskar, Naoki Saito!
January 26, 2025 at 1:54 PM
We’re absolutely thrilled to have an exciting lineup of speakers this year covering a wide range of topics, including @pseudomanifold.topology.rocks @dom-beaini.bsky.social @mathildepapillon.bsky.social Dhananjay Bhaskar, Naoki Saito!