References

ON ROW-FACTORIZATION MATRICES


[1] H. Bresinsky, Symmetric semigroups of integers generated by 4 elements, Manuscripta Math. 17 (1975), 205-219.

[2] W. Bruns and J. Herzog, Cohen-Macaulay Rings, Cambridge University Press, Cambridge, 1993.

[3] K. Eto, Almost complete intersection monomial curves in Communications in Algebra 22 (1994), 5325-5347.

[4] K. Eto, Almost Gorenstein monomial curves in affine four space, (to appear).

[5] J. Herzog and K.-I. Watanabe, Almost symmetric numerical semigroups and almost Gorenstein semigroup rings, RIMS Kôkyûroku 2008 (2016), 107-120.

[6] A. Moscariello, On the type of an almost Gorenstein monomial curve, J. Algebra 456 (2016), 266-277.

[7] J. C. Rosales and P. A. García-Sánchez, Numerical Semigroups, Springer, New York, 2009.