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[1] E. Becker, Hereditarily Pythagorean Fields and Orderings of Higher Level, Monografías de Matemática, 29, Instituto de Matemática Pura e Aplicada, Rio de Janeiro, 1978.Search in Google Scholar

[2] E. Becker, Summen n-ter Potenzen in Körpern, J. Reine Angew. Math. 307/308 (1979), 8–30.10.1515/crll.1979.307-308.8Search in Google Scholar

[3] P. Berrizbeitia, Additive properties of multiplicative subgroups of finite index in fields, Proc. Amer. Math. Soc. 112 (1991), 365–369.10.1090/S0002-9939-1991-1057940-7Search in Google Scholar

[4] J. Königsmann, Half-ordered fields, PhD thesis, Universität Konstanz, Konstanz, 1993.Search in Google Scholar

[5] T.Y. Lam, The theory of ordered fields, in: B.R. McDonald (ed.), Ring Theory and Algebra, III, Lecture Notes in Pure and Appl. Math., 55, Dekker, New York, 1980, pp. 1–152.Search in Google Scholar

[6] T.Y. Lam, Introduction to Quadratic Forms over Fields, Graduate Studies in Mathematics, 67, American Mathematical Society, Providence, RI, 2005.10.1090/gsm/067Search in Google Scholar

[7] L. Mahé, J. Mináč and T.L. Smith, Additive structure of multiplicative subgroups of fields and Galois theory, Doc. Math. 9 (2004), 301–355.10.4171/dm/169Search in Google Scholar

[8] E. Sperner, Die Ordnungsfunktionen einer Geometrie, Math. Ann. 121 (1949), 107–130.10.1007/BF01329620Search in Google Scholar

[9] W.C. Waterhouse. Square root as a homomorphism, Amer. Math. Monthly 119 (2012), 235–239.10.4169/amer.math.monthly.119.03.235Search in Google Scholar

eISSN:
2391-4238
ISSN:
0860-2107
Język:
Angielski
Częstotliwość wydawania:
2 razy w roku
Dziedziny czasopisma:
Mathematics, General Mathematics