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Cybernetics And Systems Analysis
International Theoretical Science Journal
UDC 621.391.15 : 519.7
A.V. Bessalov1, L.V. Kovalchuk2


1 Borys Grinchenko Kyiv University and Institute of Physics and Technology
of the National Technical University “Igor Sikorsky Kyiv Polytechnic Institute”

bessalov@ukr.net

2 Institute of Physics and Technology of the National Technical University
“Igor Sikorsky Kyiv Polytechnic Institute”

lusi.kovalchuk@gmail.com

SUPERSINGULAR TWISTED EDWARDS CURVES OVER A SIMPLE FIELD.
ІI. SUPERSINGULAR TWISTED EDWARDS CURVES WITH AN j-INVARIANT EQUAL TO 663

Abstract. Theorems on the existence conditions for Edwards super singular curves over a simple field with an j-invariant equal to 663 and with other values of the j-invariants were formulated and proved. A generalization of the previously obtained results using the isomorphism of curves in the Legendre and Edwards forms is given.

Keywords: supersingular curve, complete Edwards curve, twisted Edwards curve, quadratic Edwards curve, torsion pair, point order, Legendre symbol, quadratic residue, quadratic non-deduction.



FULL TEXT

REFERENCES

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