Maki Nagura

collaborators

3 papers

math.GT2016

The first Pontrjagin classes of homotopy complex projective spaces

Yasuhiko Kitada, Maki Nagura

Let $M^{2 n}$ be a closed smooth manifold homotopy equivalent to the complex projective space $C P (n)$ . The purpose of this paper is to show that when $n$ is even, the diffe…

math.GT2016

Partially Ordering Unknotting Operations

Maki Nagura

In this paper, we introduce an equivalence relation on the set of local moves and classify local moves, called the extended $S T$ -moves, up to the equivalence. Moreover, by inducing…

math.GT2006

Seifert matrices of Brunnian links

Maki Nagura

We show some properties of a Seifert matrix of an $n$ -component Brunnian link. In particular, we give a necessary and sufficient condition for a matrix to be a Seifert matrix of a…