News

• 2024 06 Conferences: I will attend MAPSP 2024 (Kolding, Denmark), EURO 2024 (Copenhagen, Denmark) and the seminar Dynamic Traffic Models in Transportation Science (Dagstuhl, Germany) between June 23 and July 12, giving a talk about Bicriteria Nash Flows over Time. I'm looking forward to the events!

• 2024 06 Program committee: I will serve as a Program Committee member of MAPSP 2024, which will happen in Denmark on June 24-28. We're looking forward to a very nice program!

• 2024 06 Program committee: I will serve as a Program Committee member of FUN 2024, which will happen in Italy on June 4-8. We're looking forward to a very nice program!

• 2024 05 Organization seminar: On Thursday, May 23, from 13.30 to 16.30, Leen Stougie and I will organize the Dutch Intercity Seminar on Optimization at the Vrije Universiteit Amsterdam. Georgina Hall and Alexandra Lassota will give invited talks and there will be a session with lightning talks. You can find all information on this website.

• 2024 04 Article: The paper "The Secretary Problem with Independent Sampling" by José Correa, Andrés Cristi, Laurent Feuilloley, Alexandros Tsigonias-Dimitriadis and me has been accepted for publication in Management Science! I will post a link here as soon as it is available online.

• 2024 01 Conference: I will attend the 14th Day on Computational Game Theory in Bonn on March 7-8 and talk about Bicriteria Nash Flows over Time. I am sure this next edition of the event will be just as interesting and fruitful and I am looking forward to it!

• 2024 01 Research visit: I will be visiting the group of prof. Max Klimm at the TU Berlin from January 22 to 26. I will give a hybrid talk about The Secretary Problem with Independent Sampling on Tuesday at 10.30. I'm sure with our many overlapping research interests and areas of expertise, it will be a fruitful visit!

• 2024 01 Conference: I will attend the yearly Dutch conference on the mathematics of operations research as well as the NGB seminar on urban logistics in Soesterberg on January 15 - 17. I'm very much looking forward to seeing everyone there again!

• 2023 11 Young OR Day: I will attend the Young OR Day, happening at the Dutch railways (NS) on November 21. I'm looking forward to learn about the Operations Research problems they face and their approaches to deal with them!

• 2023 11 Workshop: I will attend the Dutch Day on Optimization, happening at Maastricht University on November 9. With very interesting talks and many familiar participants, I am sure it will be a great event!

• 2023 09 Program committee: I will serve as a Program Committee member of WAOA 2023, which will happen in Amsterdam on September 7-8. We are looking forward to a great workshop!

• 2023 07 Organization seminar: I have been asked to join the organization committee of the Dutch Seminar on Optimization. I'm looking forward to helping out in this amazing seminar series!

• 2023 07 Talk: On July 14, my former PhD supervisor Tjark Vredeveld will be inaugurated as professor at Maastricht University. I will give a talk at the seminar in his honor, happening before the inauguration. It's going to be a very happy day!

• 2023 06 Conference: The paper "Exact and approximation algorithms for routing a convoy through a graph" of Martijn van Ee, René Sitters, Andreas Wiese and me has been accepted for the MFCS conference, which will take place this August!

• 2023 06 Workshop organizer: The 13th Day(s) on Computational Game Theory will be organized at the Vrije Universiteit Amsterdam on June 15-16, 2023. Please find all information here: https://vu.nl/en/events/2023/13th-day-on-computational-game-theory.

• 2023 05 Seminar invitation: I will travel to Universität Passau from May 7 to May 10 as I have been invited to give a seminar there, and I will stay a couple of days to talk about research. I'm very much looking forward to seeing everyone there again!

• 2023 02 Activity: Together with a colleague I organized the yearly activity for our department. It was really nice!

• 2023 01 Research visit: I will attend the yearly summer school and workshop in discrete mathematics of the Universidad de Chile and the CMM and stay there for 3 weeks as a research visit. I am looking forward to it and hope it will be as fruitful as the previous visits!

• 2022 09 Conference: The paper "Bicriteria Nash Flows over Time" by Daniel Schmand, Marc Schröder and me has been accepted for the WINE conference, which will take place this December!

• 2022 11 PhD defense and symposium: On the 25th of November, Moritz Buchem, the PhD whom I co-supervised at Maastricht University, will defend his thesis "Hiking in the Scheduling Landscape: Exact and Approximation Algorithms for Parallel Machines". We organized a small symposium on the day itself with several speakers of the committee, here is the announcement!

• 2022 09 Workshop: I will attend the 12th Day(s) on Computational Game Theory in Bremen on September 29-30. I will give a talk about The Secretary Problem with Independent Sampling on Friday afternoon. I have been asked to organize the next edition of this workshop, which I am very happy to host in Amsterdam on June 15-16, 2023!

• 2022 09 PhD: This month, Steven Miltenburg has started as the new PhD supervised by my colleague René Sitters and me. We are happy he joined our team and hope we can share some very nice years together!

• 2022 06 Workshop: I will attend the 15th Workshop on Models and Algorithms for Planning and Scheduling (MAPSP) in Oropa, Italy from June 12 to June 17. I will give a talk on Monday morning, you can find the slides on that page!

• 2022 06 Conference: I will attend the yearly NGB/LNMB Seminar, which usually takes place in January but it has been postponed due to COVID-19 to take place in Lunteren in June. I am looking forward to it!

• 2022 05 PhD position: We are hiring! Our department is looking for a PhD candidate on the topic of optimizing network flow dynamics and the candidate will be closely working with me. Are you or do you know someone with a solid background in applied mathematics, computer science, operations research or a related area, who is highly motivated to pursue a PhD? Then check out this position! The application deadline is July 1st.

• 2022 05 Workshop: I will attend the 7th Workshop on Stochastic Methods in Game Theory in Erice, Italy from May 12 to 18. I'm very much looking forward to it!

• 2022 05 Workshop: I have been invited to participate in the Dagstuhl seminar on Dynamic Traffic Assignments from May 8 to 13. Unfortunately, I had to decline the invitation due to the overlapping workshop, but I really hope to participate next time!

• 2022 04 Open positions: We are hiring! We are looking for two assistant, associate or full professors in (stochastic) operations research and/or operations management to join our department. Check here and here! 

• 2022 03 Conference: The paper "Independent Sampling for the Secretary Problem" of José Correa, Andrés Cristi, Laurent Feuilloley, Alexandros Tsigonias-Dimitriadis and me has been accepted for the MAPSP conference, which will take place this June!

• 2022 01 Conference: I will attend the yearly conference of the LNMB, the Dutch OR society. Due to COVID-19, it will take place online on January 17 and 18.

• 2022 01 Summer school: I will attend the yearly summer school in discrete mathematics of the Universidad de Chile and the CMM. Due to COVID-19, it will take place online in the week of January 17.

• 2021 12 Article: Our paper "On the Price of Anarchy for Flows over Time" by José Correa, Andrés Cristi and me has been published in the journal Mathematics of Operations Research! You can find the article here.

• 2021 12 Seminar: I have been invited to give a talk in the Operations Research seminar of Tilburg University. You can join on the campus or virtually if you are interested!

• 2021 11 Certificate: I have now officially been awarded my University Teaching Qualification (BKO) from Maastricht University!

• 2021 10 Seminar: I will give a talk about "Modelling Flow Dynamics with Flow over Time" in the new Operations Analytics seminar. Contact me if you want to join!

• 2021 09 Activity: Together with two colleagues I organized a group activity for my new department. It will be a great opportunity to get to know my new colleagues in an informal setting!

• 2021 10 Seminar: My new colleague Andreas Wiese and I started a seminar series for the department! The Operations Analytics seminar will take place every other week at Friday from 12.45 to 13.30. Send one of us an email if you want to join!

• 2021 09 New job: This month I start as assistant professor in the department of Operations Analytics of the Vrije Universiteit Amsterdam. I am excited to work at this new position!

• 2021 04 New job: Coming September I will start a new job as assistant professor in the department of Operations Analytics of the Vrije Universiteit Amsterdam. I am looking forward to joining that group and excited about this new opportunity!

• 2021 04 Article: The article "Cyclic lot-sizing problems with sequencing costs" by Alexander Grigoriev, Vincent Kreuzen and me has been published in the Journal of Scheduling! You can view it here.

• 2021 03 Article: Our paper "Posted Price Mechanisms and Optimal Threshold Strategies for Random Arrivals" by José Correa, Patricio Foncea, Ruben Hoeksma, Tjark Vredeveld and me has been published in the journal Mathematics of Operations Research! You can find the article here.

• 2021 03 Seminar: I have been invited to present the paper "The Secretary Problem with Independent Sampling" by José Correa, Andrés Cristi, Laurent Feuilloley, Alexandros Tsigonias-Dimitriadis and me in the Eindhoven SPOR seminar of Eindhoven University of Technology on March 9 at 15.45. Ask for the Microsoft Teams link if you want to join!

• 2021 02 Article: Our paper "On the Price of Anarchy for Flows over Time" by José Correa, Andrés Cristi and me has been accepted for publication in the journal Mathematics of Operations Research! You can find the article here.

• 2021 01 Paper: The paper "The Secretary Problem with Independent Sampling" of José Correa, Andrés Cristi, Laurent Feuilloley, Alexandros Tsigonias-Dimitriadis and me has been published in the proceedings of the SODA 2021 conference! You can find the article here and the arXiv version here.

• 2021 01 Event: On January 29, the next meeting that we organized for the Mathematics Center Maastricht will take place. We organized a pub quiz in a custom Gather town environment, ask for the link if you want to join!

• 2021 01 Workshop: I will attend the research workshop organized by the Universidad de Chile. Due to COVID-19, it will take place online on January 25.

• 2021 01 Conference: I will attend the yearly conference of the LNMB, the Dutch OR society. Due to COVID-19, it will take place online on January 22.

All cancelled events, marked like this in small text, are cancelled due to the COVID-19 situation.

• 2020 11 Research visit: Unfortunately, I will not be visiting prof. José Correa at the Universidad de Chile for a research visit.

• 2020 11 Seminar: I have been invited to present the paper "The Secretary Problem with Independent Sampling" by José Correa, Andrés Cristi, Laurent Feuilloley, Alexandros Tsigonias-Dimitriadis and me in the Kolloquium über Informatik of the Universität zu Köln on November 13 at 12.00. Ask for the Zoom link if you want to join!

• 2020 10 Seminar: I have been invited to present the paper "The Secretary Problem with Independent Sampling" by José Correa, Andrés Cristi, Laurent Feuilloley, Alexandros Tsigonias-Dimitriadis and me in the online OMS Oberseminar of the RWTH Aachen on October 22 at 11.00. Ask for the Zoom link if you want to join!

• 2020 10 Kickoff meeting: On October 23, the kickoff meeting that we organized for the Mathematics Center Maastricht will take place. Ask for the Zoom link if you want to join!

• 2020 09 Paper: The paper "The Secretary Problem with Independent Sampling" of José Correa, Andrés Cristi, Laurent Feuilloley, Alexandros Tsigonias-Dimitriadis and me has been accepted for the SODA 2021 conference! You can find the pdf here and the arXiv version here.

• 2020 09 Mentor: I have started as the mentor for the department of Quantitative Economics at Maastricht University. If you have any questions related to any aspect of teaching, please feel free to contact me!

• 2020 09 UM Pride: I have joined the Support & Wellbeing community of UM Pride. Please feel free to contact me if you want to have a talk or face any LGBT+ related issue!

• 2020 09 Workshop: I have been invited to the Dagstuhl workshop "Mathematical foundations of dynamic Nash flows" from September 20 to September 25. I will present and discuss its Price of Anarchy results and some open questions.

• 2020 09 OR Lunch: I am taking the initiative to start with the OR Lunch seminars in our department again, albeit through Zoom for now. Please see the page OR Lunch at the top regarding all details!

• 2020 09 Workshop: Unfortunately, the workshop on Mixed Integer Non-linear Games that I organized together with Matúš Mihalák, Mathias Staudigl, Martin Schmidt and Veerle Timmermans on 28-30 September has been cancelled. For all information, see the site I created here.
• 2020 09 Conference: Unfortunately, the annual conference of the German Operations Research society in Braunsweig will not take place.

• 2020 08 Article: Our paper "Posted Price Mechanisms and Optimal Threshold Strategies for Random Arrivals" by José Correa, Patricio Foncea, Ruben Hoeksma, Tjark Vredeveld and me has been accepted for publication in the journal Mathematics of Operations Research! You can find the article here.

• 2020 07 Workshop: Unfortunately, the 7th Workshop on Stochastic Methods in Game Theory in Erice I have been invited to will not take place.
• 2020 06 Workshop: Unfortunately, the Dutch-Chinese workshop on Game Theory & Applications in Guizhou I have been invited to will not take place.
• 2020 05 Conference: The AAMAS 2020 conference will be held online. The talk "A General Framework for Energy-Efficient Cloud Computing Mechanisms" by Antonios Antoniadis, Andrés Cristi, Alkmini Sgouritsa and me will be available online. You can view the proceedings article here.
• 2020 04 Research visit: Unfortunately, I will not be visiting prof. Nicole Megow at the Universität Bremen for an invited research visit.
• 2020 04 Visitor: Unfortunately, Alexandros Tsigonias-Dimitriadis from the Technische Universität München will not be visiting me now.

• 2020 03 New office: On Monday March 23, I will move to my new office! It is located in the same building at Tongersestraat 53, but I will be located in room A2.25 now instead of room A4.28.

• 2020 03 Workshop: Unfortunately, the Workshop on Integer and Combinatorial Optimization at the RWTH Aachen and my talk over there have been cancelled.

• 2020 02 Article: The article "Cyclic lot-sizing problems with sequencing costs" by Alexander Grigoriev, Vincent Kreuzen and me has been published online in the Journal of Scheduling! You can view it here.

• 2020 02 Conference: I will participate in the Day on Computational Game Theory at the University of Twente and give a talk about Flows over Time!

• 2020 01 Paper: The paper "A General Framework for Energy-Efficient Cloud Computing Mechanisms" of Antonios Antoniadis, Andrés Cristi, Alkmini Sgouritsa and me has been accepted for the AAMAS 2020 conference!

• 2020 01 Conference: I will attend the yearly conference of the LNMB, the Dutch OR society, in Lunteren from January 13 to January 15.

• 2019 12 Email: The systems of Maastricht University were down and I was not reachable through email. It has been resolved by now.

• 2019 11 Seminar: On November 27 I will speak about the Price of Anarchy for Flows over Time in the Algorithms, Combinatics, Game Theory and Optimization seminar of the Universidad de Chile, to be held in the Departamento de Ingeniería Industrial. Feel free to join!

• 2019 11 Research visit: From November 11 to November 29, I will be visiting José Correa, José Soto, Andreas Wiese and others at the Universidad de Chile in Santiago. Hopefully it will be as successful as my past visits!

• 2019 09 Conference: I will present our paper "On the Price of Anarchy for Flows over Time" by José Correa, Andrés Cristi and me in the invited session on Flows over Time in the German OR conference in Dresden. Drop by on Thursday afternoon for an interesting session!

• 2019 08 Summer school: I will attend the ADFOCS summer school at the Max-Planck-Institut für Informatik in Saarbrücken, Germany, this month. It will be a great week with interesting lectures, looking forward to it!

• 2019 08 Publication: Our paper "Cyclic Lot-Sizing Problems with Sequencing Costs" by Alexander Grigoriev, Vincent Kreuzen and me got accepted for publication in the Journal of Scheduling! 

• 2019 06 Conference: Our paper "On the Price of Anarchy for Flows over Time" by José Correa, Andrés Cristi and me will be presented on EC2019 in Phoenix in the last week of June. You can find the paper here.

• 2019 06 Seminar: I will talk about Flows over Time in the OR seminar in our department on Friday the 21st. Drop by for a nice talk and sandwiches!

• 2019 06 Conference: I will present our paper "On the Price of Anarchy for Flows over Time" by José Correa, Andrés Cristi and me on the MAPSP conference in Renesse in the first week of June. Come and join the session that I'm chairing on Monday afternoon!

• 2019 05 Invited speaker: I have been invited to present our paper "On the Price of Anarchy for Flows over Time" by José Correa, Andrés Cristi and me on the German OR conference in Dresden in the first week of September. It will be a very interesting session about Flows over Time, so join if you can!

• 2019 04 Publication: Our letter "Recent Developments in Prophet Inequalities" by José Correa, Patricio Foncea, Ruben Hoeksma, Tjark Vredeveld and me got published in the ACM SIGecom Exchanges! You can read it here.

• 2019 04 Publication: Our paper "On the Price of Anarchy for Flows over Time" by José Correa, Andrés Cristi and me has been accepted for EC2019! We will present it in Phoenix at the end of June. You can find the paper here.

• 2019 04 Research: This week I will be in Aachen to work with Laura Vargas Koch (Köln), Leon Sering (Berlin) and Dario Frascaria (Amsterdam) on Flows over Time. Time for some new results!

• 2019 04 Seminar: Together with a colleague of mine, Célia Paquay, I started a regular internal OR seminar in our department. The first meeting will be on Friday the 12th!

• 2019 03 New job: I start as an assistant professor at Maastricht University this month! I moved here last week and I'm really excited!

• 2019 02 Workshop: I will be at the 6th Day on Computational Game Theory in Potsdam on the 14th and the 15th. Come and say hi if you're also there!

• 2019 01 Research visit: I am in Chile for the summer school in discrete mathematics, a workshop at the Universidad de Chile and a research visit. It's great to be back here for a while, and also very fruitful!

• 2018 12 New job: Yesterday I had the employment conditions talk with the HR department of Maastricht University. Soon my next job will be official!

• 2018 11 Talk: I will give a talk in the reading group about Approximating Equilibria in Congestion Games on the 7th. If you're interested, please join!

• 2018 10 Workshop: It's time for the workshop Flows over Time we organised at the TU Berlin, and I'm staying for two weeks to do some extra research. Let's get some new insights and proofs!

• 2018 10 Research visit: Together with Pieter Kleer, I am visiting Veerle Timmermans in the group of Britta Peis at the RWTH Aachen in Germany. We're hoping for some nice congestion games results!

• 2018 09 Talk: I will give a seminar talk at the MPI-INF about the Price of Anarchy for Flows over Time on the 13th. Do not hesitate to join!

• 2018 09 New job: I moved from the Universidad de Chile in Santiago, to the Max-Planck-Institut für Informatik in Saarbrücken, Germany. I'm looking forward to my time over here!

• 2018 08 Publication: We got invited to contribute a letter to SIGecom exchanges regarding prophet inequalities. You can read it here.

• 2018 08 Talk: On the 3rd I will give a talk in the reading group about Approximating Equilibria in Congestion Games. Drop by if you're interested!

• 2018 07 New job: Next March I will start as an assistant professor at Maastricht University. Great news, I'm looking forward to that position!

• 2018 07 Conference: This week I am at the ISMP conference in Bordeaux, France, where I organized a session together with José Correa. Come and join us on Tuesday afternoon!

• 2018 06 Research visit: I am visiting Britta Peis at the RWTH Aachen in Germany for two weeks. It's great to think about flows over time and congestion games together! I will also speak about the Price of Anarchy for Flows over Time in the seminar on the 19th, it would be great if you join!

• 2018 03 Talk: On the 21st I will speak about Vector Scheduling in the Algorithms, Combinatorics, Game Theory and Optimization seminar at the Departamento de Ingeniería Industrial of the Universidad de Chile. Feel free to join!

• 2018 03 New job: I moved from Maastricht University to the Universidad de Chile in Santiago. It's great being back here!

• 2018 01 PhD defence: Today I successfully defended my PhD thesis at Maastricht University. I had the best day, thanks to everyone who contributed to it!