JP Journal of Algebra, Number Theory and Applications
Volume 27, Issue 2, Pages 151 - 167
(December 2012)
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OBSTRUCTION IDEALS OF FLATNESS WITH RESPECT TO AN ANTI-INTEGRAL ELEMENT AND ITS LINEAR FRACTIONAL TRANSFORM
Kiyoshi Baba and Ken-ichi Yoshida
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Abstract: Let abe an anti-integral element over an integral domain Rand β be a linear fractional transform of α, that is,
Set If is a unit of R, then we have proved that two obstruction ideals of flatness are the same, that is, In this paper, we consider the case that is not a unit of R. |
Keywords and phrases: linear fractional transform, anti-integral element, denominator ideal, obstruction ideal of flatness. |
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