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math.GT2026
B-index polynomial for twisted knots
Kirandeep Kaur, Madeti Prabhakar, Vaibhav Keshari
A twisted link is a generalization of a virtual link associated with link diagrams on closed surfaces, which may be non-orientable. In this paper, we generalize the notion of the i…
math.GT2026
Presentations and Representations of the Multi-Virtual Twin Group and Associated Subgroups
Vaibhav Keshari, Taher I. Mayassi, Madeti Prabhakar +1
Motivated by the notion of the multi-virtual braid group introduced by L. Kauffman and by the study of extensions of the well-known twin group T_n, n >= 2, we introduce a new group…