@inproceedings{CTT100597402,
  author = {TOSHIAKI MUROFUSHI and YOSHINARI SAWATA and Katsushige Fujimoto},
  title = {Necessary and sufficient conditions in terms of Möbius transform for k-monotonicity of set functions},
  booktitle = {数理解析研究所講究録},
  year = 2009,
}

@inproceedings{CTT100553017,
  author = {室伏俊明 and 澤田佳成 and 藤本勝成},
  title = {集合関数のk 単調性の必要十分条件},
  booktitle = {日本数学会2008年度年会 応用数学分科会 講演アブストラクト},
  year = 2008,
}

@inproceedings{CTT100597397,
  author = {TOSHIAKI MUROFUSHI and Katsushige Fujimoto and Yoshinari Sawata},
  title = {Additive indecomposability of submodular set functions and its generalization},
  booktitle = {数理解析研究所講究録},
  year = 2008,
}

@inproceedings{CTT100553012,
  author = {室伏俊明 and 藤本勝成 and 澤田佳成},
  title = {劣モジュラ集合関数の加法分解不可能と その一般化},
  booktitle = {日本数学会2007年度年会 応用数学分科会 講演アブストラクト},
  year = 2007,
}