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Golchin, A.. (1386). On the U-WPF Acts over Monoids. , 18(4), 323-328.
A. Golchin. "On the U-WPF Acts over Monoids". , 18, 4, 1386, 323-328.
Golchin, A.. (1386). 'On the U-WPF Acts over Monoids', , 18(4), pp. 323-328.
Golchin, A.. On the U-WPF Acts over Monoids. , 1386; 18(4): 323-328.

On the U-WPF Acts over Monoids

Journal of Sciences, Islamic Republic of Iran
مقاله 4، دوره 18، شماره 4، اسفند 2007، صفحه 323-328    اصل مقاله (98.26 K)
نوع مقاله: Original Paper
نویسنده
A. Golchin
Department of Mathematics, University of Sistan and Baluchestan, Zahedan, Islamic Republic of Iran
چکیده
Valdis Laan in [5] introduced an extension of strong flatness which is called weak pullback flatness. In this paper we introduce a new property of acts over monoids, called U-WPF which is an extension of weak pullback flatness and give a classification of monoids by this property of their acts and also a classification of monoids when this property of acts implies others. We also show that regularity and strong faithfulness of acts both imply U-WPF. An equivalent of that over monoids for which torsion freeness implies U-WPF is given too.
کلیدواژه‌ها
U-WPF؛ Strongly faithful؛ Regular
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