Results 11 to 20 of about 36 (36)

On class groups of random number fields

open access: yesProceedings of the London Mathematical Society, Volume 121, Issue 4, Page 927-953, October 2020., 2020
Abstract The main aim of this paper is to disprove the Cohen–Lenstra–Martinet heuristics in two different ways and to offer possible corrections. We also recast the heuristics in terms of Arakelov class groups, giving an explanation for the probability weights appearing in the general form of the heuristics.
Alex Bartel, Hendrik W. Lenstra Jr.
wiley   +1 more source

A relative integral basis over ℚ(−3) for the normal closure of a pure cubic field

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2003, Issue 25, Page 1623-1626, 2003., 2003
Let K be a pure cubic field. Let L be the normal closure of K. A relative integral basis (RIB) for L over ℚ(−3) is given. This RIB simplifies and completes the one given by Haghighi (1986).
Blair K. Spearman, Kenneth S. Williams
wiley   +1 more source

Continued fractions and class number two

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 27, Issue 9, Page 565-571, 2001., 2001
We use the theory of continued fractions in conjunction with ideal theory (often called the infrastructure) in real quadratic fields to give new class number 2 criteria and link this to a canonical norm‐induced quadratic polynomial. By doing so, this provides a real quadratic field analogue of the well‐known result by Hendy (1974) for complex quadratic
Richard A. Mollin
wiley   +1 more source

Criterion for Class Number of the Family Q254m2+m to be Greater Than or Equal to Three

open access: yesJournal of Mathematics, Volume 2025, Issue 1, 2025.
In this paper, we present an explicit lower bound for the class number of real quadratic field k=QD, where D = 25m2 + 4m is a square‐free integer and m ≡ 4 (mod 5) is an odd positive integer.
Ahmad Issa, Huadong Su
wiley   +1 more source
Some of the next articles are maybe not open access.

On Zp-extensions of real quadratic fields

Journal of the Mathematical Society of Japan, 1986
Keiichi Komatsu
exaly  

Error estimates for the Davenport-Heilbronn theorems

Duke Mathematical Journal, 2010
Carl Pomerance   +2 more
exaly  

Classes généralisées invariantes

Journal of the Mathematical Society of Japan, 1994
Georges Gras
exaly  

Minimal 2-spheres with constant curvature in Pn(C)

Journal of the Mathematical Society of Japan, 1987
Yoshihiro Ohnita
exaly  

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