@article{CTT100708120,
  author = {Katsushi Ito and Yusuke Kanayama and Hiroaki Nakajima and Shin Sasaki},
  title = {BPS Equations in Omega-deformed N = 4 Super Yang-Mills Theory},
  journal = {Journal of High Energy Physics},
  year = 2015,
}

@article{CTT100672378,
  author = {Katsushi ITO and Hiroaki Nakajima and Shin Sasaki},
  title = {Twisted N=4 Super Yang-Mills Theory in Omega-background},
  journal = {Journal of high Energy Physics},
  year = 2013,
}

@article{CTT100652630,
  author = {Katsushi Ito and Hiroaki Nakajima and Shin Sasaki},
  title = {Torsion and Supersymmetry in Omega-background},
  journal = {Journal of high Energy Physics},
  year = 2012,
}

@article{CTT100635598,
  author = {Katsushi Ito and Hiroaki Nakajima and Takuya Saka and Shin Sasaki},
  title = {N=4 instanton calculus in Omega and R-R backgrounds},
  journal = {Nuclear Physics B},
  year = 2012,
}

@article{CTT100634642,
  author = {Katsushi Ito and Satoshi Kamoshita and Shin Sasaki},
  title = {Deformed BPS Monopole in Omega-background},
  journal = {Physics Letters B},
  year = 2012,
}

@article{CTT100620400,
  author = {Katsushi Ito and Satoshi Kamoshita and Shin Sasaki},
  title = {BPS Monopole Equation in Omega-background},
  journal = {Journal of High Energy Physics},
  year = 2011,
}

@article{CTT100620189,
  author = {Katsushi ITO and Hiroaki Nakajima and Takuya Saka and Shin Sasaki},
  title = {N=2 instanton effective action in Omega-background and D3/D(-1)-brane system in R-R background},
  journal = {Journal of High Energy Physics},
  year = 2010,
}

@article{CTT100597004,
  author = {Katsushi ITO and Hiroaki Nakajima and Takuya Saka and Shin Sasaki},
  title = {Instanton calculus in deformed N=4 super Yang-Mills theories},
  journal = {Journal of High Energy Physics},
  year = 2009,
}

@article{CTT100570057,
  author = {Katsushi Ito and Hiroaki Nakajima and Shin Sasaki},
  title = {Instanton Calculus in R-R 3-form background and Deformed N = 2 Super Yang-Mills Theory},
  journal = {Journal of High Energy Physics},
  year = 2008,
}

@article{CTT100550393,
  author = {Katsushi ITO and Hiroaki Nakajima and Shin Sasaki},
  title = {Deformation of super Yang-Mills theories in R-R 3-form background},
  journal = {Journal of High Energy Physics},
  year = 2007,
}

@article{CTT100550392,
  author = {Katsushi ITO and Shin Sasaki and Yoshishige Kobayashi},
  title = {Deformation of N=4 Super Yang-Mills Theory in Graviphoton Background},
  journal = {Journal of High Energy Physics},
  year = 2007,
}