Dr Nicola J. Fairbairn, JSPS Postdoctoral Fellow at The University of Electro-Communications in Tokyo & University of Glasgow, UK

[Seminar] "Making input-specific synaptic changes last: from synaptic tagging mechanisms to cell-adhesion codes" by Dr. Mathieu Letellier, The Interdisciplinary Institute for Neuroscience (IINS), University of Bordeaux

October 27, 2026  11:00-12:00 @B503, Center Bldg.

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Target audience: Interns, Students, PostDocs, and those who are interested in the same research field.
Language: English

Prof. Takashi Ohshima, Professor. Graduate School of Pharmaceutical Sciences, Kyushu University. Language: English

Language: English

Title: The Obstruction of Orientability of Real Monopole Floer Homology

Abstract: The Real Seiberg-Witten theory is one of a stong tool in knot theory and surface knot theory. For example, that can detect exotic P^2-knot and Kang-Park-Taniguchi proved that any non trivial cable of figure eight knot is not slice using Real Seiberg-Witten theory. This theory is also provide interesting phenomena in index theory, since Real Seiberg-Witten theory can be seen as a "non-linear version" of Atiya's Real K-theory. For example, there is an obstruction to orient moduli space of Real Seiberg-Witten eqations on closed 4-manifolds. Recently, Bonciocat obtained a obstruction to lift the real Heegaard Floer homology from mod 2 coefficient to Z-coefficient. In this talk, we give a canonical way to obtain Z- coefficient real monopole Floer homology of double branced cover of a link in homology S^3 in the case when the obstruction vanishes. We also proved that the Bonciocat's obstruction is also obstract Z-coefficient in real monopole, however the proof is different. This is joint work with Jiakai Li.