4 papers
Unboundedness of the first and the last Betti numbers of Numerical Semigroups Generated by Concatenation
Ranjana Mehta, Joydip Saha, Indranath Sengupta
We show that the minimal number of generators and the Cohen-Macaulay type of a family of numerical semigroups generated by concatenation of arithmetic sequences is unbounded.
Moh's example of algebroid space curves
Ranjana Mehta, Joydip Saha, Indranath Sengupta
In this paper we revisit the family of algebroid space curves defined by Moh and find an explicit minimal generating set for the defining ideal.
Almost Maximal Numerical Semigroups formed by Concatenation of Arithmetic Sequences
Ranjana Mehta, Joydip Saha, Indranath Sengupta
We study numerical semigroups with the property "multiplicity= embedding dimension+1", generated by concatenation of arithmetic sequences.
Numerical Semigroups Generated by Concatenation of Arithmetic Sequences
Ranjana Mehta, Joydip Saha, Indranath Sengupta
We introduce the notion of numerical semigroups generated by concatenation of arithmetic sequences and show that this class of numerical semigroups exhibit multiple interesting beh…