Y. Mitsumatsu

activity

20102026

most citedLeafwise Symplectic Structures on Lawson's Foliation (3rd revised)

5 citations · 14 across the 12 of their papers we have counts for

collaborators

Showing 2023Show all

2 papers · 1 filter

math.DG2023★ 4 cited

On the existence of critical compatible metrics on contact $3$ -manifolds

Yoshihiko Mitsumatsu, Daniel Peralta-Salas, Radu Slobodeanu

We disprove the generalized Chern-Hamilton conjecture on the existence of critical compatible metrics on contact $3$ -manifolds. More precisely, we show that a contact $3$ -manifold…

math.GT2023

Remarks on flat $S^{1}$ -bundles, $C^{\infty}$ vs $C^{ω}$

Teruaki Kitano, Yoshihiko Mitsumatsu, Shigeyuki Morita

We describe low dimensional homology groups of $Diff_{+}^{δ} S^{1}$ in terms of Haefliger's classifying space $B Γ_{1}$ by applying a theorem of Thurston. Then we consider…

On the existence of critical compatible metrics on contact 3-manifolds

Remarks on flat S1-bundles, C∞ vs Cω

On the existence of critical compatible metrics on contact $3$ -manifolds

Remarks on flat $S^{1}$ -bundles, $C^{\infty}$ vs $C^{ω}$