The Isogeny Club
@IsogenyClub
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X no longer regularily updated, follow our website instead --- A bi-weekly virtual seminar for young isogenists. YT: https://t.co/5INrWPG0Xr
Joined June 2022
On Tuesday, our very own Krijn Reijnders gave an excellent talk on Kummer surfaces, and applications to SQIsign! If you missed the talk, or just want to watch it again, the recording is now available. https://t.co/qwBbI6Tcx4
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Tomorrow, May 7th, we are excited to finally have our mystery guest give us his talk! So join us, as he talks about the use of kummer surfaces in SQIsign verification, at 17.00 CEST! More info:
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Last Tuesday, Guido gave a great introduction to modular curves and their applications, going to the basics to get you started easily on this topic! If you missed the talk, or just want to watch it again, the recording is now available.
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Join us tomorrow, April 23, as Guido will guide us through modular curves and their applications in isogeny-based cryptography! At 17.00 CEST as always. More info:
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Last week, Arthur gave a splendid and incredibly clear talk at The Isogeny Club on the hardness of the endomorphism problem when given a single endomorphism. If you missed the talk, or just want to watch it again, the recording is now available.
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Being single brings its own complexities. Join us tomorrow, 9 April at 17:00 CEST, when Arthur discusses the hardness of the endomorphism problem when given a single endomorphism. More info:
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Gabrielle gave a great talk yesterday at The Isogeny Club on connecting Kani's Lemma and Bruhat-Tits trees to compute endomorphism rings of supersingular curves! If you missed the talk, or just want to watch it again, the recording is now available.
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Ready for spring? Then join us tomorrow, March 26, as Gabrielle shows us how to use Bruhat-Tits trees to find endomorphism rings of supersingular elliptic curves! As always, at 17.00 CET. For more info, see
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The culinary start to season four of The Isogeny Club continues tomorrow, as Mingjie spices up the last dish to present SCALLOP-HD tomorrow, 12. March, at 17:00 (CET)! More info: https://t.co/vFjuG42DPi
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Simon (@merzsp) started off the fourth season of The Isogeny Club with a mouthwatering talk on SCALLOP, a somewhat scalable effective group action from isogenies. If you missed the talk, or just want to watch it again, the recording is now available
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The wait is over! Simon's (@merzsp) frying pan is piping hot and ready to sear us some delicious SCALLOPs, tomorrow at 17pm CET, for the premiere of the fourth season of The Isogeny Club! More info:
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Season Four of our Seminar Sessions starts in about two weeks! @merzsp starts with a talk on SCALLOP, with Mingjie following up two weeks later with a talk on SCALLOP-HD, 17pm CET as always. The remaining schedule will be announced soon! More info:
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Charlotte closed off the third season of The Isogeny Club with a great talk on finding isogenies of fixed degree! See you next year, both at season 4 and our EC'24 workshop. If you missed the talk, or want to watch it again, the recording is now available https://t.co/d6yyH7ZIL2
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Hoping to find the love of your life? Well, good news if your love is fixed degree isogenies, because tomorrow, at 17.00 CET, Charlotte will present their work on finding isogenies of fixed degree between supersingular elliptic curves! info:
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Thanks again to @kutasp for his excellent talk on the non-abelian group action hiding in endomorphisms, and showing how non-abelian hidden subgroup problems are very useful! If you missed the talk, or want to watch it again, the recording is now available https://t.co/AH2plwJH6B
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What is life? And what is happiness? And are isogeny representations secure if you only give some data and an algorithm to evaluate this isogeny on any torsion point? Join us tomorrow, 17pm CET, as @kutasp answers at least one of these questions! Info at:
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Thanks again to @MainoLuciano for hosting our party on new algorithms to compute chains of (2,2)-isogenies, making FESTA much fasta! If you missed the talk, or just want to enjoy it again, the recording is now available on YouTube. https://t.co/D1pHCNJvSQ
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Get ready for the party tomorrow! 🥳🥳 Where @MainoLuciano will explain to us how Festa gets much fasta, using new algorithms to compute chains of (2,2)-isogenies. As always, 17.00 CET. More info:
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Thank you to Nicolas Sarkis for a great talk yesterday on the computing 2-isogenies between Kummer lines, using the theta model! In case you missed it, or want to re-watch it, the recording of the talk is available on YouTube. https://t.co/uvBSnyQ9dh
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