Jonas Britz at LAAS-CNRS

For my secondment, I moved to Toulouse to join the polynomial optimization group at CNRS-LAAS. As someone working in polynomial optimization, Toulouse is a particularly exciting place to do research: the subject has a long history there, with Jean Bernard Lasserre’s work on moment and sum-of-squares methods having played a…

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Younes Naceur at LAAS – CNRS

After completing my first year at ICFO in Barcelona under the supervision of Antonio Acín, it was time for me to move to Toulouse and work with Victor Magron at LAAS-CNRS for 10 months. These 10 months have been an enriching experience for me, due to fruitful collaborations within and…

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Sami Halaseh at Artelys

My industrial secondment took place over two months (July and August) in Paris at the optimization firm Artelys. I really enjoyed spending the summer in Paris, which contrasted Konstanz, the small city where I was living just beforehand. I worked with fellow TENORS students Yassine Koubaa and Luca Wellmeier.

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Rationality of the Space of Hankel Matrices

By Henri Linus Breloer – April 2026 Hankel matrices arise in a variety of contexts. They play a key role in statistics and tensor methods. From the perspective of algebraic geometry, the space of Hankel matrices with rank no greater than some fixed r forms an affine variety. These spaces…

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