Bhardwaj, Om Prakash; Sengupta, Indranath
(Cornell University Library, 2022-07)
Let a and d be two linearly independent vectors in N2, over the field of rational numbers.For a positive integer k ≥2, consider the sequencea, a+d, . . . , a+kdsuch that the affine semigroupSa,d,k=〈a, a+d, . . . , a+kd〉is ...