Matteo Fischetti
@MFischetti
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#NPnerd fishing in the #ComputationalSea
Uni. Padova, Italy
Joined December 2011
As Amazon does not believe my #orms book is worth delivery in Italy, I just published the #kindle e-book format of both the Italian and the English versions. https://t.co/ks9KgNIRfT
https://t.co/1bfz5eKO30
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The 5th Spanish Young Statisticians and Operational Researchers Meeting #SYSORM2025 has officially started! The opening session welcomed participants to three days dedicated to exchanging knowledge and fostering collaboration in Statistics, Operational Research and Data Science.
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I used ChatGPT to solve an open problem in convex optimization. *Part III* 1/N https://t.co/6HDAr6y8Z9
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Subject to: Kenneth Sörensen (University of Antwerp, Belgium), https://t.co/DQxIfpjEmc,
#orms #optimization #metaheuristics @UAntwerpen
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Our last but not least plenary speaker, Maurizio Boccia, has just given an inspiring talk on the Truck-and-Drone delivery problem. A whole world with still many doors to explore. Thank you, Maurizio, for accepting our invitation! #EUROYoung2025 #orms
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We couldn’t have had a better way to end for today than with the excellent talk of our third plenary speaker, @DoloresRomeroM. Thank you so much for sharing your enthusiasm for academia for us, and for eXplaining your research with so much transparency 😉 #EUROYoung2025 #orms
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Have questions about optimization best practices? Gurobot delivers fast, reliable answers—helping you troubleshoot, model, and optimize more efficiently. Log in to your Gurobi User Portal to get started. Learn more: https://t.co/BuTVNMjCGs
#Gurobot #Optimization #Gurobi
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It's a strange time to be a programmer—easier than ever to get started, but easier to let AI steer you into frustration. We've got an antidote that we've been using ourselves with 1000 preview users for the last year: "solveit" Now you can join us.🧵 https://t.co/GLKm0woI8b
answer.ai
You can now sign up for Solveit, which a course in how to solve problems (including coding, writing, sysadmin, and research) using fast short iterations, and also provides a platform that makes this...
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Upcoming Public Lecture: The Traveling Salesman Problem — Package Deliveries, Pub Walks, and Astro Tours on October 22, 2025 in Seoul near Gangnam Station https://t.co/y7z7p9MQI1
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OCEAN is evolving 🌊, check it out! https://t.co/KJInvrKxBZ v2.0 offers a one-click Python library for optimal counterfactual explanations in tree ensembles (RFs, boosting...) based on MILP and CP models. Install with "pip install oceanpy". Unlike unstable heuristics that may
github.com
OCEAN: Optimal Counterfactual Explanations in Tree Ensembles (ICML 2021) - vidalt/OCEAN
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This is huge! NVIDIA just built a framework named SATLUTION, which can scale LLM-based code evolution from small kernels to full repositories (hundreds of files, tens of thousands of lines of C/C++). It is the first one that can do this. Targeting SAT (the canonical
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🦠Peter Whidden on Mote: An Interactive Ecosystem Simulation https://t.co/FkPJembFEK
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🦠Watch @computerender's first public talk on Mote: an interactive ecosystem simulation! Mote uses a custom GPU-based physics engine to model hundreds of thousands of organisms, leading to fascinating emergent phenomena: a sandbox that is part game, part research. Link below⬇️
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Another interesting VRP challenge to keep an eye on 👀
We’re thrilled to announce that Dr. Thibaut Vidal’s role in TIG is evolving. He now joins as Challenge Owner, taking an even more active part in TIG’s success. As steward of the Vehicle Routing Challenge, Dr. Vidal will help drive our mission forward by attracting top
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The CVRPLIB introduces a new XL benchmark set (1,000–10,000 clients) along with a BKS challenge in January 2026. 30 days. One real-time leaderboard to compare modern methods: from classic OR and ML approaches, to learning-augmented hybrids and decomposition strategies...
CVRPLIB Best Known Solution (BKS) Challenge! We are launching a 30-day competition to push the boundaries of the Capacitated Vehicle Routing Problem (CVRP): https://t.co/LwKYzEU6CE We look forward to seeing the community take on this challenge!
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CVRPLIB Best Known Solution (BKS) Challenge! We are launching a 30-day competition to push the boundaries of the Capacitated Vehicle Routing Problem (CVRP): https://t.co/LwKYzEU6CE We look forward to seeing the community take on this challenge!
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Subject to: Yoshiko Wakabayashi (USP, Brazil), https://t.co/of5mnonr5s,
#orms #optimization #graphtheory @usponline @cienciausp @ABCiencias
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Thrilled to see @inceptionAILabs Mercury Coder in action 🚀 The first diffusion language model for code, now powering Next Edit’s lightning-fast real-time suggestions!
Code editing just got a lot faster.⚡Introducing Next Edit⚡ Next Edit delivers real-time, multi-line suggestions at up to 1100 tokens/sec, powered by @inceptionAILabs Mercury Coder, the world’s first commercial-scale diffusion LLM for code.
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