iiinova — where your digital self keeps evolving

Yasmine Beck @yasminebeck.bsky.social · 22/09/2026

Join us for the next #BOSWebinar on September 29 at 4 PM CEST with two 20-minute talks! 📩 Meeting details will be shared via the #BOS mailing list. Not yet a BOS member? You can register for free at: bileveloptimization.org/membership 🔗 bileveloptimization.org/bos_webinar #Bilevel

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Yasmine Beck @yasminebeck.bsky.social · 21/09/2026

🎥 The recording of our last #BOSWebinar with Fernando Camacho is now online! You can rewatch it at youtu.be/VaKYSoochAI?... 🔗 More information on the #BOS #Webinar Series and upcoming talks: bileveloptimization.org/bos_webinar #Bilevel #Optimization #BilevelOptimization #MOS

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Yasmine Beck @yasminebeck.bsky.social · 15/09/2026

Join us today at 4 PM CEST for the next #BOSWebinar with Fernando! #Bilevel #Optimization #BOS #MOS

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Yasmine Beck @yasminebeck.bsky.social · 08/09/2026

Join us for the next #BOSWebinar on September 15 at 4 PM CEST with Fernando! 📩 Meeting details will be shared via the BOS mailing list. Not yet a BOS member? Register for free at: bileveloptimization.org/membership 🔗 bileveloptimization.org/bos_webinar #BOS #MOS #Bilevel #SupplyChain

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Yasmine Beck @yasminebeck.bsky.social · 04/09/2026

🎥 The recordings of our last #BOSWebinar with Sanyou and David are now online! 🎙️ Sanyou Mei: youtu.be/FxIJtBsRYLw?... 🎙️David Villacís: youtu.be/XcBEbVPl_xs?... 🔗 More information on the #BOS Webinar Series and upcoming talks: bileveloptimization.org/bos_webinar #Bilevel #BilevelOptimization #MOS

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Reposted by Yasmine Beck

ISMP 2027 – Amsterdam @ismp2027.bsky.social · 01/09/2026

📢 #ISMP2027: Submission Platform Now Open! Submissions for the 26th International Symposium on Mathematical Programming are now open! 🔗 Submit & find submission guidelines: ismp2027.mathopt.nl/registration... 🗓️ July 25–30, 2027 📍 Amsterdam 🔗 ismp2027.mathopt.nl #MOS #MathematicalProgramming

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Yasmine Beck @yasminebeck.bsky.social · 25/08/2026

Season 2 of the #BOSWebinar starts on September 1 at 4 PM CEST with two 20-minute talks! 📩 Details will be shared via the #BOS mailing list. Not yet a BOS member? Register for free at bileveloptimization.org/membership 🔗 bileveloptimization.org/bos_webinar #Bilevel #MachineLearning #MOS

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Yasmine Beck @yasminebeck.bsky.social · 18/08/2026

📢 The #BOS Webinar Series is back for Season 2, starting on September 1, 2026! 🔗 More information about the #BOSWebinar Series can be found at: bileveloptimization.org/bos_webinar ▶️ Recordings from Season 1 are also available on our YouTube channel: www.youtube.com/@BOSWebinar See you soon!

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Yasmine Beck @yasminebeck.bsky.social · 22/07/2026

Get your abstracts ready, the submission platform for #ISMP2027 is opening soon!

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Yasmine Beck @yasminebeck.bsky.social · 09/07/2026

Season 1 of the #BOS #Webinar Series is in the books! Thanks to all speakers and everyone who joined! 🎥 All recordings will be available on YouTube: www.youtube.com/@BOSWebinar 🗓️ Season 2 starts on September 1, stay tuned for the program! 🔗 More information: bileveloptimization.org/bos_webinar

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Yasmine Beck @yasminebeck.bsky.social · 22/06/2026

The recording and the slides of our latest #BOSWebinar with Didier Aussel are available! 🎥 Recording: youtu.be/TSelremyljc?... 📄 Slides: bileveloptimization.org/bos_webinar/... 🔗 More information on the #BOS Webinar Series: bileveloptimization.org/bos_webinar/ #Bilevel #BilevelOptimization

youtu.be

Multi-Leader-Follower games without Nash equilibrium interactions

YouTube video by Bilevel Optimization Society Webinar

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Yasmine Beck @yasminebeck.bsky.social · 20/06/2026

Join us for the last session of the #BOSWebinar before the summer break! The session on June 23 at 4 PM CEST will feature two 20-minute talks by Sebastian Vasquez and Noah Weninger. 🔗 More information on the #BOS #Webinar series can be found at: bileveloptimization.org/bos_webinar #Bilevel

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Reposted by Yasmine Beck

ISMP 2027 – Amsterdam @ismp2027.bsky.social · 10/06/2026

📢 Travel discount for #ISMP2027 participants Benefit from a 10% discount on Air France and KLM flights: ismp2027.mathopt.nl/img/travel/f... ✈️ Reservations: July 25, 2026 – July 30, 2027 ✈️ Departures: July 18–30, 2027 ✈️ Returns: July 25, 2027 – August 6, 2027 🔗 ismp2027.mathopt.nl #MOS

ismp2027.mathopt.nl

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Yasmine Beck @yasminebeck.bsky.social · 09/06/2026

Join us today at 4 PM CEST for the next #BOSWebinar with Didier Aussel! 🔗 More information on the #BOS Webinar Series and upcoming talks can be found at: bileveloptimization.org/bos_webinar #MathematicalProgramming #SLMF #MLMF #BilevelOptimization #MOS

bileveloptimization.org

BOS Webinar

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Yasmine Beck @yasminebeck.bsky.social · 02/06/2026

Don't miss the next #BOSWebinar on June 9 at 4 PM CEST, featuring a 40-minute presentation by Didier Aussel. 🔗 bileveloptimization.org/bos_webinar 📩 Details will be shared via the BOS mailing list. Not a #BOS member? Register for free at bileveloptimization.org/membership! #BilevelOptimization

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Yasmine Beck @yasminebeck.bsky.social · 01/06/2026

🎥 The recordings of our last #BOSWebinar with Bo and Sadegh are now available to rewatch on our YouTube channel: 🎙️ Bo Lin: youtu.be/U75v_IkLxd4?... 🎙️Mohammad Sadegh Salehi: youtu.be/G1LUtJd8FDU?... #MOS #MathematicalProgramming #Bilevel #BilevelOptimization #BOS

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Yasmine Beck @yasminebeck.bsky.social · 26/05/2026

Join us today at 4 PM CEST for the #BOS Webinar with Bo and Sadegh! 📩 If you are not yet a (free) BOS member and have not received the meeting details, text me if you would still like to join. 🔗 bileveloptimization.org/bos_webinar #MachineLearning #Bilevel #Optimization #BilevelOptimization #MOS

bileveloptimization.org

BOS Webinar

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Yasmine Beck @yasminebeck.bsky.social · 19/05/2026

The next #BOSWebinar takes place on May 26 at 4 PM CEST, featuring two 20-minute talks by Bo Lin and Mohammad Sadegh Salehi. 📩 Details will be shared via the #BOS mailing list. Not yet a BOS member? Register for free at bileveloptimization.org/membership. 🔗 bileveloptimization.org/bos_webinar

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Yasmine Beck @yasminebeck.bsky.social · 18/05/2026

📚 Excited to share the pre-publication PDF of our book Linear and Mixed-Integer Bilevel Optimization: Theory and Algorithms (with Ivana Ljubić and @schmaidt.bsky.social), which is now in production with CUP. 🔗 You can access it at yasminebeck.github.io/files/bileve... #BilevelOptimization #BOS

lnkd.in

This link will take you to a page that’s not on LinkedIn

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Yasmine Beck @yasminebeck.bsky.social · 18/05/2026

🎥 The recording of our latest #BOS Webinar with Miguel Anjos is now available on YouTube! You can rewatch his talk here: www.youtube.com/watch?v=dg8e... 🔗 More information on the BOS Webinar Series: bileveloptimization.org/bos_webinar/ #Bilevel #Optimization #BilevelOptimization #MOS

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ISMP 2027 – Amsterdam @ismp2027.bsky.social · 13/05/2026

📢 Streams for #ISMP2027 Working on a paper? With 25 streams spanning theory, algorithms, and applications, ISMP 2027 offers a place to present and discuss your latest research in mathematical programming. 📄 Submissions open on September 1, 2026! 🗓️ July 25–30, 2027 📍Amsterdam 🔗 ismp2027.mathopt.nl

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Yasmine Beck @yasminebeck.bsky.social · 12/05/2026

Join us today at 4 PM CEST for the #BOS Webinar with Miguel Anjos! Looking forward to another exciting session and discussion. 📩 If you are not yet a (free) BOS member and have not received the meeting invitation, text me if you would still like to join. 🔗 bileveloptimization.org/bos_webinar

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Yasmine Beck @yasminebeck.bsky.social · 11/05/2026

🎥 Our latest #BOS Webinar with Martina Cerulli and Kübra Tanınmış is now online! You can now rewatch both talks on our YouTube channel: 🎙️ Martina Cerulli: youtu.be/pNeY-EOhRvM?... 🎙️Kübra Tanınmış: youtu.be/OR9JElQ7DWE?... #BilevelOptimization #Bilevel #Optimization #MOS #MathematicalProgramming

youtu.be

Pairwise Interdiction Problems

YouTube video by Bilevel Optimization Society Webinar

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Yasmine Beck @yasminebeck.bsky.social · 06/05/2026

📢 New #ORMS preprint! Our paper on exact solution methods for k-delete recoverable robust combinatorial optimization problems (with Christina Büsing and Ivana Ljubic) is now online! 🔗 Interested? You can access it here: optimization-online.org?p=34703 #RobustOptimization #BranchandCut #MILP #CCG

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Yasmine Beck @yasminebeck.bsky.social · 05/05/2026

Don’t miss the next #BOS Webinar on May 12 at 4 PM CEST, featuring a 40-minute presentation by Miguel Anjos. 🔗 bileveloptimization.org/bos_webinar 📩 Details will be shared via the BOS mailing list. Not yet a BOS member? Register for free at bileveloptimization.org/membership! #BilevelOptimization

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Yasmine Beck @yasminebeck.bsky.social · 28/04/2026

Don't miss the #BOS Webinar today with Martina Cerulli and Kübra Tanınmış! Join us at 4:00 PM CEST for two exciting talks and discussion. 🎥 You can now also watch the recording of our previous session with Stephan Dempe at www.youtube.com/watch?v=JI42...

youtube.com

Transformation of Bilevel Optimization Problems into Single Level Ones

YouTube video by Bilevel Optimization Society Webinar

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Yasmine Beck @yasminebeck.bsky.social · 22/04/2026

Interested in #bilevel #optimization but unsure how to dive in? We've got you covered: take a look at our new book! 📚 In 18 chapters, we take you through a clear, self-contained journey into linear and mixed-integer #BilevelOptimization, bridging theory with state-of-the-art algorithms. #BOS

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Yasmine Beck @yasminebeck.bsky.social · 21/04/2026

The next #BOS Webinar takes place on April 28 at 4 PM CEST, featuring two 20-minute talks by Martina Cerulli and Kübra Tanınmış. 🔗 bileveloptimization.org/bos_webinar 📩 Details will be shared via the BOS mailing list. Not yet a BOS member? Register for free at bileveloptimization.org/membership!

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Yasmine Beck @yasminebeck.bsky.social · 17/04/2026

Book news 📚 A major milestone for us, the book is finally done, looking forward to sharing it with you soon! #Bilevel #Optimization #BOS

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Yasmine Beck @yasminebeck.bsky.social · 14/04/2026

Over 60 participants joined for the kickoff of the #Bilevel #Optimization Webinar Series—what a great start! 🚀 The session featured an opening by Alain Zemkoho, followed by a talk by Stephan Dempe and a very lively discussion with the audience. Join us on April 28 for the next edition. Stay tuned!

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Reposted by Yasmine Beck

EUROYoung Forum @euroyoung.bsky.social · 14/04/2026

Don't miss this opportunity to connect with leading experts and fellow young OR researchers! The abstract submission deadline for the next #EUROYoung Workshop has been extended until 24 April! Looking forward to see you in Lugano 🇨🇭, 14–16 October, 2026! #EUROYoung2026 #Lugano #ORMS

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Reposted by Yasmine Beck

Martin Schmidt @schmaidt.bsky.social · 14/04/2026

Gentle #bilevel #optimization reminder: Today and tomorrow is your last chance to submit an abstract to the "International Conference on Bilevel Optimization" ... Let's meet in Pittsburgh! bileveloptimization.org/icbo/2026/su...

bileveloptimization.org

ICBO 2026

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Yasmine Beck @yasminebeck.bsky.social · 10/04/2026

🚀 Join us next Tuesday, April 14, 2026, at 4 PM CEST for the kickoff of the new #BOS Webinar Series! 🎙️ BOS President Alain Zemkoho will kickoff this new initiative, followed by Stephan Dempe who will speak about single-level reformulations of bilevel problems. Abstract👇 #BilevelOptimization #MOS

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Yasmine Beck @yasminebeck.bsky.social · 10/04/2026

🚀 The #BilevelOptimization Webinar Series kicks off next Tuesday! Join us for the inaugural session with an opening by #BOS President Alain Zemkoho, followed by a 40-minute talk by Stephan Dempe. We hope to see many of you there! Not on the BOS mailing list yet? Send me a DM for the meeting link.

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Martin Schmidt @schmaidt.bsky.social · 08/04/2026

It's done! Our paper BOBILib: Bilevel Optimization (Benchmark) Instance Library (with Johannes Thürauf, Thomas Kleinert, Ivana Ljubic, and Ted Ralphs) is finally published in MPC! It’s open access. And just a reminder: The website of the library is this one: bobilib.org Use it and spread the word!

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Reposted by Yasmine Beck

Martin Schmidt @schmaidt.bsky.social · 26/03/2026

The #ICBO2026 abstract submission deadline is coming soon: bileveloptimization.org/icbo/2026/in... I hope we meet later this year in Pittsburgh! #orms #conference #bilevel #optimization

bileveloptimization.org

ICBO 2026

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Reposted by Yasmine Beck

ISMP 2027 – Amsterdam @ismp2027.bsky.social · 25/03/2026

📢 Semi-Plenary Speakers for #ISMP2027! We are pleased to announce the semi-plenaries for the 26th International Symposium on Mathematical Programming. Join them to explore advances, challenges, and opportunities in mathematical optimization. 🗓️ July 25–30, 2027 📍Amsterdam 🔗 ismp2027.mathopt.nl #MOS

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Yasmine Beck @yasminebeck.bsky.social · 15/03/2026

“MIP approaches are a dead end.” That‘s a reviewer comment I recently received on a paper about traffic modeling. So, naturally, I teamed up to write another MIP paper on traffic networks. Here’s our new #ORMS preprint: optimization-online.org?p=34014 Dead end? Judge for yourselves 😉

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Martin Schmidt @schmaidt.bsky.social · 10/03/2026

Chapter 6 of the upcoming book on #bilevel #optimization: General properties of mixed-integer linear bilevel problems. Classic relaxations, infeasibility via lower-level unboundedness and how to test this up-front, existence of solutions, the refinement problem, complexity, reformulations, ...

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Martin Schmidt @schmaidt.bsky.social · 05/03/2026

The show must go on ... final proof-reading of Chapter 5: "Algorithms for Linear Bilevel Problems". We discuss three main methods: (i) The "historic" and simplex-inspired Kth-best algorithm (ii) Complementarity-Based Branch-and-Bound (iii) Penalty Alternating Direction Method

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ISMP 2027 – Amsterdam @ismp2027.bsky.social · 05/03/2026

📢 Plenary speakers for #ISMP2027 We are pleased to announce the plenaries for the 26th International Symposium on Mathematical Programming: Daniel Bienstock Jim Luedtke @optimizer.bsky.social Thomas Rothvoss Katya Scheinberg Defeng Sun 🗓️ July 25–30, 2027  📍Amsterdam 🔗 ismp2027.mathopt.nl #MOS

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Martin Schmidt @schmaidt.bsky.social · 02/03/2026

#Bilevel book proof-reading update. Chapter 3: Single-level reformulations for convex lower-level problems ... A few keywords: Optimal-value function, KKT, strong-duality, big-M, McCormick, IIC, local vs. global solutions, SOS1 conditions, ...

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ISMP 2027 – Amsterdam @ismp2027.bsky.social · 27/02/2026

📢 #ISMP2027 comes to Amsterdam! The 26th International Symposium on Mathematical Programming will be held July 25–30, 2027. Join researchers from around the world to discuss advances, challenges, and opportunities in the theory and practice of mathematical optimization. 🔗 ismp2027.mathopt.nl #MOS

ismp2027.mathopt.nl

The 26th International Symposium on Mathematical Programming will be held in Amsterdam, The Netherlands, from July 25th through July 30th, 2027. The event is the symposium of the Mathematical Optimization Society (MOS).

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Yasmine Beck @yasminebeck.bsky.social · 25/02/2026

Join us on March 5 for my #orms talk about uncertain #bileveloptimization!

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Yasmine Beck @yasminebeck.bsky.social · 24/02/2026

Free Tuesday afternoon? Then I have something for you! 🚀 We're launching the #BOS Webinar Series—a bi-weekly seminar on theoretical, computational, and applied #BilevelOptimization 📆 Tuesdays at 4 pm CET via MS Teams  🎙️ 40- or 2x20-minute talks + discussion  🔗 bileveloptimization.org/bos_webinar

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Martin Schmidt @schmaidt.bsky.social · 23/02/2026

Proof-reading chapter 2: Optimistic vs pessimistic #bilevel problems. What is a pessimistic problem? Why is it different? And why is it actually not as different as many people thought for a long time … #orms #optimization

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EUROYoung Forum @euroyoung.bsky.social · 23/02/2026

The 6th #EUROYoungWorkshop is coming to #Lugano, Switzerland 🇨🇭| Oct 14-16, 2026 Join us for 3 days of talks, networking & social events—inspiring plenaries and lakeside charm await! Abstract submission: 10 Mar – 15 Apr Registration: 1 May – 1 Jun 🔗 euroyoung.eu/lugano2026

euroyoung.eu

The 6th EUROYoung Workshop - Lugano 2026

This is the site made for showing activities and opportunities for early career researchers in operations research.

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