Mathematics - Research News

The elasticity of Puiseux monoids

 Mathematics - Research News
 05 September 2020
Felix Gotti, Christopher O’Neill. Source: Journal of Commutative Algebra, Volume 12, Number 3, 319--331.Abstract: Let [math] be an atomic monoid and let [math] be a non-unit element of [math] . The elasticity of [math] , denoted by [math] , is the ratio of its largest factorization length to its...

Multiple convex body semigroups and Buchsbaum rings

 Mathematics - Research News
 05 September 2020
Juan Ignacio García-García, Alfredo Sánchez-R.-Navarro, Alberto Vigneron-Tenorio. Source: Journal of Commutative Algebra, Volume 12, Number 3, 309--318.Abstract: In this work, using the concept of multiple convex body semigroup, we present new families of Buchsbaum semigroups. We characterize...

The radical of an $n$-absorbing ideal

 Mathematics - Research News
 02 June 2020
Hyun Seung Choi, Andrew Walker. Source: Journal of Commutative Algebra, Volume 12, Number 2, 171--177.Abstract: In this note, we show that in a commutative ring [math] with unity, for any [math] , if [math] is an [math] -absorbing ideal of [math] , then [math] . ...

Graded Betti numbers of powers of ideals

 Mathematics - Research News
 02 June 2020
Amir Bagheri, Kamran Lamei. Source: Journal of Commutative Algebra, Volume 12, Number 2, 153--169.Abstract: Using the concept of vector partition functions, we investigate the asymptotic behavior of graded Betti numbers of powers of homogeneous ideals in a polynomial ring over a field. Our main...

Quaternion rational surfaces

 Mathematics - Research News
 02 June 2020
Jerome William Hoffman, Xiaohong Jia, Haohao Wang. Source: Journal of Commutative Algebra, Volume 12, Number 2, 237--261.Abstract: A quaternion rational surface is a rational surface generated by two rational space curves via quaternion multiplication. In general, the structure of the graded...

The resultants of quadratic binomial complete intersections

 Mathematics - Research News
 02 June 2020
Tadahito Harima, Akihito Wachi, Junzo Watanabe. Source: Journal of Commutative Algebra, Volume 12, Number 2, 217--235.Abstract: We compute the resultants for quadratic binomial complete intersections. As an application we show that any quadratic binomial complete intersection can have the set of...

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