Yusuke Suzuki

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20242026

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math.CO2026

Another proof of the result on rotation compatible planar covers

Shohei Koizumi, Yusuke Suzuki, Kensuke Tamura

Negami's Planar Cover Conjecture asserts that a connected graph has a finite planar cover if and only if it can be embedded on the projective plane. While this statement has alread…

math.CO2026

Linkage problem on optimal $1$ -planar graphs

Shohei Koizumi, Ryosuke Osaka, Yusuke Suzuki

Enami and Maezawa give a complete characterization of $(s_{1}, s_{2}, \dots, s_{k})$ -linked planar graphs for any $k$ -tuple of positive integers. In this paper, we investigate linkage p…

Another proof of the result on rotation compatible planar covers

Linkage problem on optimal 1-planar graphs

Linkage problem on optimal $1$ -planar graphs