Research

Papers

• Takaaki Shiotani, Takaki Hayashi, Yuta Koike, "On lead-lag estimation of non-synchronously observed point processes."

  • ArXiv preprint

• Takaaki Shiotani, Nakahiro Yoshida, "Statistical inference for highly correlated stationary point processes and noisy bivariate Neyman-Scott processes", Submitted to Stochastic Processes and their Applications.

  • ArXiv preprint

  • Python code

• 塩谷天章, "ロジスティック回帰を用いたプレゼン音声データの分析", 数理科学実践研究レター, 2025. (peer-reviewed)

  • 論文

  • Python code

• Takaaki Shiotani, Nakahiro Yoshida, "Statistical Inference for Multivariate Point Processes and its Application to Multivariate Neyman-Scott Processes", Master's thesis, 2023.

Posters

• 塩谷天章, "Statistical inference for unbounded densities", 統計サマーセミナー2025, Aug 2025.

  • ポスター, スライド(フラッシュトーク)

• 塩谷天章, "多変量点過程の統計的推測とその多変量 Neyman-Scott 点過程への応用", WINGS-FMSP Qualifying Exam, Mar 2023.

  • ポスター

Talks

International

• Takaaki Shiotani. "Statistical inference for highly correlated stationary point processes and noisy bivariate Neyman-Scott processes", CFE-CMStatistics 2025, Dec 2025.

• Takaaki Shiotani. "Statistical Inference for point process models and noisy bivariate Neyman-Scott processes", East Asia Core Doctoral Forum in Mathematics, Jan 2025.

• Takaaki Shiotani. "Modeling lead-lag effects using bivariate Neyman-Scott processes with gamma kernels", TMU Finance workshop 2024, Sep 2024.

• Takaaki Shiotani. "Modeling lead-lag effects using bivariate Neyman-Scott processes with gamma kernels", Ecosta 2024, Jul 2024.

• Takaaki Shiotani. "Modeling lead-lag effects using bivariate Neyman-Scott processes with gamma kernels", Stochastic Analysis and Statistics 2024, Feb 2024.

Domestic

• 塩谷天章, 小池祐太, 林高樹, "点過程に対するリード・ラグ解析", 関西計量経済学研究会, Jan 2026 (scheduled).

• 塩谷天章, "Statistical inference for highly correlated point process models and noisy-bivariate Neyman-Scott point processes", 機械学習若手の会, Sep 2025.

• 塩谷天章, "Statistical inference for highly correlated stationary point processes and noisy bivariate Neyman-Scott processes", Seminar on Bayesian Computation , Apr 2025.

• 塩谷天章, "多変量 Neyman-Scott 点過程の統計推測とその高頻度金融データ解析への応用",  統計サマーセミナー2024, Aug 2024.

• 塩谷天章, "多変量 Neyman-Scott 点過程の統計推測とその高頻度金融データ解析への応用", 統計関連学会連合大会コンペティションセッション, Sep 2023.