Yuji Tachikawa

activity

20242026

collaborators

4 papers

hep-th2026

On holography with ADE singularities

Sunjin Choi, Yuji Tachikawa

We study aspects of the AdS/CFT correspondence for $N = 4$ $U (N)$ super Yang-Mills theory on $S^{3} /Γ$ , where $Γ \subset S U (2)$ is a finite subgroup, leading to an ADE singula…

hep-th2025

On a long exact sequence of groups of equivalence classes of 2d $N = (0, 1)$ SQFTs

Yuji Tachikawa

Strongly motivated by a mathematical result by Lin and Yamashita (arXiv:2412.02298), we describe a long exact sequence formed by groups of equivalence classes of two-dimensional $\…

math.RT2025

On homomorphisms from finite subgroups of $S U (2)$ to Langlands dual pairs of groups

Yuki Kojima, Yuji Tachikawa

Let $N (Γ, G)$ be the number of homomorphisms from $Γ$ to $G$ up to conjugation by $G$ . Physics of four-dimensional $N = 4$ supersymmetric gauge theories predicts that $N(Γ,G…

hep-th2024

Cancelling mod-2 anomalies by Green-Schwarz mechanism with $B_{μν}$

Shota Saito, Yuji Tachikawa

We study if and when mod-2 anomalies can be canceled by the Green-Schwarz mechanism with the introduction of an antisymmetric tensor field $B_{μν}$ . As explicit examples, we examin…

On holography with ADE singularities

On a long exact sequence of groups of equivalence classes of 2d N=(0,1) SQFTs

On homomorphisms from finite subgroups of SU(2) to Langlands dual pairs of groups

Cancelling mod-2 anomalies by Green-Schwarz mechanism with Bμν​

On a long exact sequence of groups of equivalence classes of 2d $N = (0, 1)$ SQFTs

On homomorphisms from finite subgroups of $S U (2)$ to Langlands dual pairs of groups

Cancelling mod-2 anomalies by Green-Schwarz mechanism with $B_{μν}$