cubic number fields
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Author(s):  
NGUYEN XUAN THO

Abstract Let K be an algebraic number field. We investigate the K-rational distance problem and prove that there are infinitely many nonisomorphic cubic number fields and a number field of degree n for every $n\geq 2$ in which there is a point in the plane of a unit square at K-rational distances from the four vertices of the square.


2020 ◽  
Vol 16 (06) ◽  
pp. 1307-1323
Author(s):  
Daeyeol Jeon ◽  
Andreas Schweizer

Let [Formula: see text] be an elliptic curve defined over [Formula: see text], and let [Formula: see text] be the torsion group [Formula: see text] for some cubic field [Formula: see text] which does not occur over [Formula: see text]. In this paper, we determine over which types of cubic number fields (cyclic cubic, non-Galois totally real cubic, complex cubic or pure cubic) [Formula: see text] can occur, and if so, whether it can occur infinitely often or not. Moreover, if it occurs, we provide elliptic curves [Formula: see text] together with cubic fields [Formula: see text] so that [Formula: see text].


2017 ◽  
Vol 91 (1-2) ◽  
pp. 153-170 ◽  
Author(s):  
Stephane R. Louboutin

2016 ◽  
Vol 166 ◽  
pp. 415-423 ◽  
Author(s):  
Günter Lettl ◽  
Chanwit Prabpayak

2016 ◽  
Vol 12 (05) ◽  
pp. 1409-1414
Author(s):  
Andrew Bremner ◽  
Samir Siksek

Euler showed that there can be no more than three integer squares in arithmetic progression. In quadratic number fields, Xarles has shown that there can be arithmetic progressions of five squares, but not of six. Here, we prove that there are no cubic number fields which contain five squares in arithmetic progression.


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