Florian 伊藤 Sprung
I am on sabbatical during AY 26-27 and visiting the Cambridge, MA, area.
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Preprints:
How large can B_n- and D_n-friezes be?
A Log-Log Saving for Matrix-Algebra Length and Terseness
Articles:
What arithmetic information does the constant term of a characteristic power contain?, Waseda Number Theory Proceedings (2026)
On characteristic power series of dual signed Selmer groups, with Jishnu Ray, Annales de l'Institut Fourier 75.6 (2025), 2341-2357
On the signed Selmer groups for motives at non-ordinary primes in Zₚ²-extensions, with Jishnu Ray, Journal of Number Theory 276 (2025), 209-231
Elliptic Curves and Hilbert's 10th Problem for Number Fields, RIMS Kokyuroku 2295 (2024)
On Iwasawa main conjectures for elliptic curves at supersingular primes: beyond the case aₚ = 0, Advances in Mathematics 449 (2024), 47p.
Studying Hilbert's 10th problem via explicit elliptic curves, with Debanjana Kundu and Antonio Lei, Mathematische Annalen 390 (2024), 5153–5183 (Slides) (Compact slides)
La matrice de logarithme en termes de chiffres p-adiques, Annales Mathématiques du Québec 48 (2024), 519-529
Cotorsion of anti-cyclotomic Selmer groups on average, with Debanjana Kundu, Proceedings of the AMS 152 (2024), 521-535
Towards relations between Bloch–Kato Selmer groups and chromatic Selmer groups, RIMS Kokyuroku 2292 (2024)
Chromatic Selmer groups for imaginary quadratic fields, Journal de Théorie des Nombres de Bordeaux 33 (2021), 1103-1114
Ranks of elliptic curves over Zₚ²-extensions, with Antonio Lei, Israel Journal of Mathematics 236 (2020), 183–206 (Video)
Consequences of the functional equation for pairs of p-adic L-functions, with Cédric Dion, Abhandlungen aus dem mathematischen Seminar Hamburg 89 (2019), 203–208
Integral Euler systems and main conjectures, RIMS Kokyuroku Bessatsu 72 (2018), 135–145
Zeta-polynomials for modular form periods, with Ken Ono and Larry Rolen, Advances in Mathematics 306 (2017), 328-343
On pairs of p-adic L-functions for weight two modular forms, Algebra and Number Theory 11 (2017), 885–928
The Šafarevič-Tate group in cyclotomic Zp-extensions at supersingular primes, Journal für die reine und angewandte Mathematik (Crelles Journal) 681 (2013), 199–218
The p-parts of Tate-Shafarevich groups of elliptic curves, RIMS Kokyuroku Bessatsu B32 (2012), 51−60
Iwasawa theory for elliptic curves at supersingular primes: A pair of main conjectures, Journal of Number Theory 132 (2012), 1483-1506 (Video with Shinichi Kobayashi and Robert Pollack)
On Iwasawa theory for Elliptic Curves, Kinosaki Newcomer Seminar 6 (2010), 11p
Translations:
Elliptic Curves with Supersingular Reduction over Gamma-extensions, with Igor Minevich. Original article by Anas G. Nasybullin in Uspekhi Matematicheskikh Nauk 32 (1977), no. 2, 221–222
Before getting into academia, I worked at a retirement home .
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