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math.GT2026
A refinement of the Q-Polynomial for twisted knots
Tumpa Mahato, Prabhakar Madeti
This paper introduces a two-variable polynomial invariant for oriented twisted knots, denoted by , refining the -polynomial of N. Kamada and S. Kamada \cite{NaoS…
math.GT2026
Arc shift move and region arc shift move for twisted knots
Tumpa Mahato, Prabhakar Madeti
In this paper, we study the unknotting operation for twisted knots, called arc shift move. First, we find a family of twisted knots with arc shift number for any given $n \in \…
math.GT2014
Region unknotting number of -bridge knots
Vikash Siwach, Prabhakar Madeti
In this paper, we discuss the region unknotting number of different classes of 2-bridge knots. In particular, we provide region unknotting number for the classes of -bridge knot…