@article{CTT100916176,
  author = {Atsufumi Honda and Naokawa Kosuke and Kentaro Saji and Masaaki Umehara and Kotaro Yamada},
  title = {A generalization of zakalyukin's lemma, and symmetries of surface singularities},
  journal = {Journal of Singularities},
  year = 2022,
}

@article{CTT100916177,
  author = {Shoichi Fujimori and Yu Kawakami and Masatoshi Kokubu and Masaaki Umehara and Wayne Rossman and Kotaro Yamada and Seong-Deog Yang},
  title = {Analytic extensions of constant mean curvature one geometric catenoids in de Sitter 3-space},
  journal = {Differential geometry and its applications},
  year = 2022,
}