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Applied Inverse Problems Conference 2023

The AIP conference is the main scientific event in the field of inverse problems. It is held every two years, apart from a break during the Covid19 pandemic. Actually I have organized one myself, in 2015 in Helsinki. This year the conference was held in Göttingen, Germany, a classic scientific hub before the second world

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ICIAM 2023 conference in Tokyo

The International Congress on Industrial and Applied Mathematics (ICIAM) was held in Tokyo in late August 2023. I participated it together with many students and colleagues from University of Helsinki. This congress happens every 4 years, and it is the main scientific conference in my field of research. It was nice for me to go

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IWOTA 2023 Conference in Helsinki

I had the honor of opening the legendary IWOTA conference at University of Helsinki on July 31, 2023. You can read my opening address below, including a JOKE! I gave my own talk as well in the minisymposium on inverse problems, organized by Lauri Oksanen and Tony Liimatainen. Here are my slides (PDF 16MB) in

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Tomography 104: simulating sinograms

I just published a new video in my lecture series on X-ray tomography (link). There I show how to use Matlab to simulate basic tomographic things such as sinograms and filtered back-projection algorithms. I also give an introductory discussion of measurement noise and how to supress it with a low-pass filter. This is how it

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Tomography in Oberwolfach

I was lucky to be invited again to the legendary Mathematisches Forschungsinstitut Oberwolfach (MFO). This time the topic of the five-day workshop was tomography, or mathematical slice imaging. How delightful it was to meet collaborators and share ideas after the pandemic years of online meetings!

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Samuli Siltanen esitelmöi New Yorkin matikkamuseossa

Math Encounters NYC video

I gave a talk in the “Math Encounters” series at the Museum of Mathematics in New York City in February 2023. My topic was X-ray tomography. Now the video recording of the presentation is available! Enjoy!

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Nice workshop in Cambridge

I co-organized a workshop in March 2023 at the Isaac Newton Institute in Cambridge: https://www.newton.ac.uk/event/rntw02/ It was so nice to see many colleagues after a long break! Instead of a regular scientific talk, I gave a presentation by title “Science Showmanship”. It contained some scientific stand-up comedy and stories about being a mathematical YouTuber. In

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X-ray Tomography 103: new video

My entertaining, yet scientifically accurate video series continues. It’s my educational experiment with material that serves both science popularization and academic teaching. Enjoy!

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Joining the Board of Finnish Nuclear Society

The Finnish Nuclear Society elected me to represent University of Helsinki in the Board of 2023. I am really excited about this position at the time of the world’s first geological disposal (in Finland!) of spent fuel and the rise of small modular reactors (SMRs). Nuclear energy plays a significant role in the transition away

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Happy Pi Day!

I made a fun X-ray tomography video about pi. Enjoy! (And make sure to subscribe to my channel Professor Sam)

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