[PDF][PDF] On the Iwasawa theory of CM elliptic curves at supersingular primes

G McConnell - Compositio Mathematica, 1996 - numdam.org
… We first explain the connection between the Selmer groups of elliptic curves and the
Iwasawa … Then for all such supersingular p we have the following isomorphism of A, -modules: …

Elliptic curves over finite fields

CS Calger - 2023 - digitalcommons.colby.edu
elliptic curves over finite fields. We focus on the number of Fq-rational solutions, Tate modules,
supersingular curves, and applications to elliptic curvesisomorphisms of (elliptic) curves, …

[PDF][PDF] Elliptic curves, isogenies, and endomorphism rings

J Sotáková - 2020 - jana-sotakova.github.io
… with introducting elliptic curves, isogenies of elliptic curves and … Finally, we move to the case
of supersingular elliptic curves … Recall that Ell(O,t) is the set of Fq-isomorphism classes of E/…

The supersingular isogeny problem in genus 2 and beyond

C Costello, B Smith - International Conference on Post-Quantum …, 2020 - Springer
… All supersingular PPAVs are isogenous to a product of supersingular elliptic curves.
Superspecial abelian varieties are isomorphic to a product of supersingular elliptic curves, though …

Counting superspecial Richelot isogenies by reduced automorphism groups (Theory and Applications of Supersingular Curves and Supersingular Abelian Varieties)

K Takashima - 数理解析研究所講究録別冊, 2022 - repository.kulib.kyoto-u.ac.jp
… if A is isomorphic to E1 × E2 with Ei supersingular elliptic curves, ie, Ei[p] = {OEi } for i = 1,2.
We have an isomorphism E1 ×E2 ∼ = E3 ×E4 for any supersingular elliptic curves Ei (i = 1,2,…

The supersingular endomorphism ring problem given one endomorphism

AHL Merdy, B Wesolowski - arXiv preprint arXiv:2309.11912, 2023 - arxiv.org
… Given a supersingular elliptic curve E and a non-scalar endomorphism α of E, we prove that
… unique encoding of the K−isomorphism class of a O-oriented elliptic curve. It takes as input a …

A singular property of the supersingular elliptic curve in characteristic 2

L Zapponi - arXiv preprint arXiv:1004.3695, 2010 - arxiv.org
… Not much is known concerning the Lamé locus and its canonical image in M1,1(k), which
parametrizes k-isomorphism classes of elliptic curves over k admitting a Lamé point. In …

CSIDH on other form of elliptic curves

X Fan, S Tian, B Li, X Xu - Cryptology ePrint Archive, 2019 - eprint.iacr.org
… In this article, we consider the supersingular elliptic curves over Fp with p ≡ 7 (mod 8) and
… in the form of y2 = x3 + Ax2 − x if and only if their endomorphism rings are isomorphic to Z[ …

Improved supersingularity testing of elliptic curves using legendre form

Y Hashimoto, K Nuida - Computer Algebra in Scientific Computing: 23rd …, 2021 - Springer
… the vertices consist of isomorphism classes of elliptic curves and the … Isogeny graphs based
on ordinary elliptic curves have a … whether an elliptic curve is ordinary or supersingular in our …

Super-isolated elliptic curves and abelian surfaces in cryptography

T Scholl - Experimental Mathematics, 2019 - Taylor & Francis
… ≈ 2p isomorphism classes of elliptic curves over F p , and there are ≈ 4 p isogeny classes.
… The reason that we focus on ordinary curves is because the ECDLP on supersingular curves