Presentations


International meetings:

  1. (March 2025) Regression for spherical data using a scaled link function
    Invited speaker: ISM Symposium on Environmental Statistics 2025, Institute of Statistical Mathematics, Tokyo, Japan.

  2. (December 2024) A versatile trivariate wrapped Cauchy copula
    Invited speaker: Webinar, virtual seminar organized by the University of Crete, Rethymnon, Greece.

  3. (November 2024) Regression for spherical data using a scaled link function
    Invited speaker: Statistics Seminar, Australian National University, Canberra, Australia.

  4. (July 2024) A versatile trivariate wrapped Cauchy copula
    Invited speaker: The 3rd Virtual Symposium on Directional Statistics (VSDS 2024), virtual conference.

  5. (March 2024) The trivariate wrapped Cauchy copula - a multi-purpose model for angular data
    Invited speaker: ISM Symposium on Environmental Statistics 2024, Institute of Statistical Mathematics, Tokyo, Japan.

  6. (December 2023) A copula model for trivariate circular data
    Invited speaker: 2023 IMS International Conference on Statistics and Data Science (ICSDS), Centro Cultural de Belém, Lisbon, Portugual.

  7. (December 2023) A mixed effects model for cylindrical data with application to small area estimation
    Invited speaker: The 15th International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2023), HTW Berlin, Berlin, Germany.

  8. (December 2023) Weighted estimation with copula-based divergence
    ISI-ISM-ISSAS Joint Conference 2023, Indian Statistical Institute, Kolkata, India.

  9. (June 2023) A tractable and interpretable family of distributions on the circle, and its mixture model for traffic count data analysis
    Invited speaker: Statistics Seminar, Australian National University, Canberra, Australia.

  10. (January 2023) A copula model for trivariate circular data
    Invited speaker: Luxembourg-Waseda Conference on Modelling and Inference for Complex Data, University of Luxembourg, Esch-sur-Alzette, Luxembourg.

  11. (December 2022) A Cauchy-type model for cylindrical data
    Invited speaker: The 15th International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2022), virtual talk at hybrid conference, King's College London, London, UK.

  12. (August 2022) A copula-based measure of asymmetry between the lower and upper tail probabilities of bivariate distributions
    Invited speaker: The 24th International Conference on Computational Statistics (COMPSTAT 2022), virtual talk at hybrid conference, University of Bologna, Bologna, Italy.

  13. (June 2022) A copula model for trivariate circular data
    Invited speaker: International Workshop "Advances in Directional Statistics" (ADISTA22), virtual talk at hybrid conference, University of Santiago de Compostela, Santiago de Compostela, Spain.

  14. (December 2021) Mixtures of Kato-Jones distributions on the circle with an application to traffic count data
    Invited speaker: The 14th International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2021), virtual talk at hybrid conference, King's College London, London, UK.

  15. (September 2021) Mixtures of Kato-Jones distributions on the circle, with an application to traffic count data
    Invited speaker: The 13th Scientific Meeting of the Classification and Data Analysis Group (CLADAG 2021), virtual conference.

  16. (March 2021) Parameter estimation for a Cauchy family of distributions on the sphere
    ANU-ISM Workshop on Data Science, virtual workshop.

  17. (December 2020) Parameter estimation for a Cauchy family of distributions on the sphere
    Invited speaker: The 13th International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2020), virtual conference.

  18. (November 2019) A Cauchy family derived by the Möbius transformations of the sphere
    Invited speaker: International Symposium on Theories and Methodologies for Large Complex Data, Tsukuba International Congress Center, Tsukuba, Japan.

  19. (August 2019) Möbius transformation and a Cauchy family on the sphere
    Invited speaker: The 62nd ISI World Statistics Congress 2019, Kuala Lumpur Convention Centre, Kuala Lumpur, Malaysia.

  20. (August 2019) A Bayesian network model for multivariate data which include circular observations
    International Conference on Environmental Statistics, Yunnan University, Kunming, China.

  21. (July 2019) A copula-based measure for comparing the upper and lower tail probabilities of bivariate distributions
    Invited speaker: SEED Seminar, virtual seminar organized by National University of Singapore, Singapore.

  22. (June 2019) A measure for comparing the upper and lower tail probabilities of bivariate distributions
    Invited speaker: The 28th South Taiwan Statistics Conference, National Chung Hsing University, Taichung, Taiwan.

  23. (December 2018) Circulas obtained through a Fourier series based approach
    Invited speaker: The 11th International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2018), University of Pisa, Pisa, Italy.

  24. (February 2018) Möbius transformation and a Cauchy family on the sphere
    Invited speaker: Waseda International Symposium "Recent Developments in Time Series Analysis: Quantile Regression, High Dimensional Data & Causality", Waseda University, Tokyo, Japan.

  25. (December 2017) A Bayesian network model for linear-circular data
    Invited speaker: The 10th International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2017), University of London, London, UK.

  26. (December 2017) A Bayesian network model for linear-circular data
    ISI-ISM-ISSAS Joint Conference Tokyo 2017, Institute of Statistical Mathematics, Tachikawa, Japan (presentation under a form of poster).

  27. (October 2017) A Bayesian network model for linear-circular data
    Invited speaker: Waseda International Symposium "Recent Developments for Statistical Asymptotic Theory for Time Series & Circular Distributions", Waseda University, Tokyo, Japan.

  28. (June 2017) Möbius transformation and a multivariate Cauchy family on the sphere
    Invited speaker: ADISTA17 International Directional Statistics Workshop, Roma Tre University, Rome, Italy.

  29. (June 2017) Statistics of circular data
    Invited speaker: 2017 Chinese Institute of Probability and Statistics Annual Meeting and Chung-hwa Data Mining Society Annual Meeting, National Taipei University, New Taipei City, Taiwan.

  30. (March 2017) The wrapped Cauchy distribution on the circle and its bivariate extension
    Invited speaker: Keio International Symposium "Statistical Analysis for High-Dimensional, Circular or Time Series Data", Keio University, Yokohama, Japan.

  31. (February 2017) Some properties of a family of distributions on the sphere related to the Möbius transformation
    ISI-ISM-ISSAS Joint Conference 2017, Indian Statistical Institute, Delhi, India.

  32. (February 2016) A tractable and interpretable four-parameter family of unimodal distributions on the circle
    ISI-ISM-ISSAS Joint Conference 2016, Academia Sinica, Taipei, Taiwan.

  33. (January 2016) A family of distributions for bivariate circular data
    ISM Symposium on Environmental Statistics 2016, Institute of Statistical Mathematics, Tokyo, Japan.

  34. (November 2015) A tractable and interpretable four-parameter family of unimodal distributions on the circle
    Invited speaker: Waseda International Symposium "High Dimensional Statistical Analysis for Spatio-Temporal Processes & Quantile Analysis for Time Series", Waseda University, Tokyo, Japan.

  35. (September 2015) The wrapped Cauchy distribution on the circle and its bivariate extension
    Invited speaker: Statistics Seminar, The Open University, Milton Keynes, UK.

  36. (June 2015) A family of copulas for circular data and its extension
    International Symposium on Dependence and Copulas 2015, Institute of Statistical Mathematics, Tokyo, Japan.

  37. (December 2014) Some properties of a family of distributions on the sphere related to the Möbius transformation
    Invited speaker: The 7th International Conference of the ERCIM WG on Computational and Methodological Statistics (ERCIM 2014), University of Pisa and Conference Centre, Pisa, Italy.

  38. (September 2014) A tractable and interpretable four-parameter family of unimodal distributions on the circle
    Invited speaker: Seminar, University of Valladolid, Valladolid, Spain.

  39. (May 2014) A tractable and interpretable four-parameter family of unimodal distributions on the circle
    Invited speaker: International Workshop "Advances in Directional Statistics" (ADISTA14), Free University of Brussels and the Atomium, Brussels, Belgium.

  40. (January 2014) A Möbius transformation-induced distribution on the torus
    Workshop "Advances and Applications in Distribution Theory", Institute of Statistical Mathematics, Tokyo, Japan.

  41. (August 2013) A family of circular distributions related to wrapped Cauchy distributions via Brownian motion
    2013 Joint Statistical Meetings, Palais de congrès de Montréal, Montréal, Canada.

  42. (July 2012) Regression analysis of circular data
    Workshop on Directional Statistics, Satellite Office of the Institute of Statistical Mathematics, Tokyo, Japan.

  43. (July 2012) Robust estimation of location and concentration parameters for the von Mises-Fisher distribution
    The 2nd Institute of Mathematical Statistics Asia Pacific Rim Meeting, Tsukuba University, Tsukuba, Japan.

  44. (May 2012) A family of circular distributions arising from Brownian motion
    Keio-Yonsei Workshop, Keio University, Yokohama, Japan.

  45. (February 2012) A Möbius transformation induced distribution on the torus
    2012 Joint Meeting of Indian Statistical Institute, the Institute of Statistical Mathematics, and Institute of Statistical Science, Academia Sinica, Institute of Statistical Mathematics, Tokyo, Japan.

  46. (December 2011) An extended family of circular distributions related to wrapped Cauchy distributions via Brownian motion
    International Conference on Advances in Probability and Statistics - Theory and Applications: A Celebration of N. Balakrishnan's 30 Years of Contributions to Statistics, Chinese University of Hong Kong, Hong Kong, China.

  47. (August 2011) An extension of the wrapped Cauchy distribution via Brownian motion
    Complex Phenomena from Statistical Point of View -Seismology, Environmentology and Economy-, Meiji University, Kawasaki, Japan.

  48. (February 2011) A Markov process for circular data
    Seminar on Mathematical Sciences Based on Modeling, Analysis and Simulation, Meiji University, Kawasaki, Japan.

  49. (January 2010) A family of distributions on the circle with links to, and applications arising from, Möbius transformation
    Two-Day Conference on Statistics and Probability, Indian Statistical Institute, Kolkata, India.

  50. (November 2009) A Markov process for circular time series
    Workshop "Directional, Asymptotic, Differential-Geometric Statistics and Related Area", Osaka Prefecture University, Sakai, Japan.

  51. (June 2009) A family of distributions on the circle arising from Brownian motion
    The 1st Institute of Mathematical Statistics Asia Pacific Rim Meeting, Seoul National University, Seoul, Korea.


  52. (December 2008) An asymmetric extension of the wrapped Cauchy distribution
    Workshop on Directional Statistics 2008, Institute of Statistical Mathematics, Tokyo, Japan.


  53. (July 2008) A family of asymmetric distributions on the circle with links to Möbius transformation
    The Seventh World Congress in Probability and Statistics, National University of Singapore, Singapore.

  54. (June 2008) A Markov process for time series of circular data
    Invited speaker: 2008 Joint Meeting of Indian Statistical Institute, the Institute of Statistical Mathematics, and Institute of Statistical Science, Academia Sinica, Academia Sinica, Taipei, Taiwan.

  55. (March 2008) A family of asymmetric distributions on the circle with links to, and applications arising from, Möbius transformation
    Invited speaker: Cherry Bud Workshop 2008, Keio University, Yokohama, Japan.

  56. (October 2007) A circle-valued Markov process
    Workshop on Directional Statistics 2007, Institute of Statistical Mathematics, Tokyo, Japan.

  57. (May 2007) A Markov process for circular data
    IMST2007 -FIM XV- International Conference on Interdisciplinary Mathematical and Statistical Techniques, Shanghai, China.

  58. (March 2007) A distribution for a pair of unit vectors generated by Brownian motion
    Invited speaker: Cherry Bud Workshop 2007, Keio University, Yokohama, Japan.

  59. (October 2006) A bivariate circular distribution with uniform marginals
    Workshop on Directional Statistics, Institute of Statistical Mathematics, Tokyo, Japan.

  60. (September 2006) A bivariate circular distribution with uniform marginals
    Awarded Outstanding Student Paper Award: SCRA2006 -FIM XIII- International Conference on Interdisciplinary Mathematical and Statistical Techniques, Tomar, Portugal.

  61. (March 2006) A circular-circular regression model
    Invited speaker: Cherry Bud Workshop 2006, Keio University, Yokohama, Japan.

  62. (December 2005) Dependent models on two tori, cylinders and discs
    Invited speaker: International Statistics Conference "Statistics in the Technological Age", University of Malaya, Kuala Lumpur, Malaysia.


National meetings:

  1. (December 2024) A regression model for spherical data using a scaled link function
    Statistical Mathematics Seminar, virtual seminar organized by the Institute of Statistical Mathematics, Tokyo (in Japanese).

  2. (September 2024) A copula model for trivariate circular data
    The 2022 Japanese Joint Statistical Meeting, Tokyo University of Science, Tokyo (in Japanese).

  3. (November 2023) Weighted estimation with copula-based divergence
    Statistical Mathematics Seminar, virtual seminar organized by the Institute of Statistical Mathematics, Tokyo (in Japanese).

  4. (September 2023) Weighted estimation with copula-based divergence
    Workshop "Advances in Copula Theory 2023", Institute of Statistical Mathematics, Tokyo (in Japanese).

  5. (December 2022) A copula model for multivariate circular data
    Statistical Mathematics Seminar, virtual seminar organized by the Institute of Statistical Mathematics, Tokyo (in Japanese).

  6. (September 2022) A copula-based measure of asymmetry between the lower and upper tail probabilities of bivariate distributions
    Invited speaker: Advances in Copula Theory, Institute of Statistical Mathematics, Tokyo (in Japanese).

  7. (September 2022) Mixtures of asymmetric distributions on the circle, with an application to traffic count data
    Invited speaker: The 2022 Japanese Joint Statistical Meeting, Seikei University, Tokyo (in Japanese).

  8. (December 2021) Mixtures of distributions on the circle, with an application to traffic count data
    Statistical Mathematics Seminar, virtual seminar organized by the Institute of Statistical Mathematics, Tokyo (in Japanese).

  9. (December 2020) Parameter estimation for a Cauchy family on the sphere
    Statistical Mathematics Seminar, virtual seminar organized by the Institute of Statistical Mathematics, Tokyo (in Japanese).

  10. (November 2020) Statistical methods for directional data
    Invited speaker: Applied Statistics Workshop, virtual seminar organized by the University of Tokyo, Tokyo (in Japanese).

  11. (December 2019) A mixed-effects model for clustered circular data
    Statistical Mathematics Seminar, Institute of Statistical Mathematics, Tokyo (in Japanese).

  12. (September 2019) A copula-based measure for comparing the upper and lower tail probabilities of bivariate distributions
    The 2019 Japanese Joint Statistical Meeting, Shiga University, Hikone (in Japanese).

  13. (December 2018) A measure for comparing upper and lower tail probabilities of bivariate distributions
    Statistical Mathematics Seminar, Institute of Statistical Mathematics, Tokyo (in Japanese).

  14. (September 2018) A class of circulas obtained through a Fourier series based approach
    Mathematical Society of Japan 2018 Autumn Meeting, Okayama University, Okayama (in Japanese).

  15. (January 2018) A Bayesian network model for linear-circular data
    Statistical Mathematics Seminar, Institute of Statistical Mathematics, Tokyo (in Japanese).

  16. (September 2017) A Bayesian network model for linear-circular data
    The 2017 Japanese Joint Statistical Meeting, Nanzan University, Nagoya (in Japanese).

  17. (March 2017) Copulas for circular data
    Statistical Mathematics Seminar, Institute of Statistical Mathematics, Tokyo (in Japanese).

  18. (January 2017) Statistical models for directional data
    Invited speaker: Symposium "Modern Issues in Statistical Science", Kanazawa University, Kanazawa (in Japanese).

  19. (September 2016) A tractable and interpretable four-parameter family of unimodal distributions on the circle
    The 2016 Japanese Joint Statistical Meeting, Kanazawa University, Kanazawa (in Japanese).

  20. (December 2015) Statistical analysis of directional data
    Special Lecture on Data Science, Keio University, Yokohama (in Japanese).

  21. (November 2015) Statistical methods for directional data
    Invited speaker: Special Lecture on Data Science, Osaka University, Osaka (in Japanese).

  22. (September 2015) The Cauchy distribution on the circle and related statistical models
    Invited speaker: The 2015 Japanese Joint Statistical Meeting, Okayama University, Okayama (in Japanese).

  23. (April 2015) Multivariate Cauchy families and conformal mapping
    Statistical Mathematics Seminar, Institute of Statistical Mathematics, Tokyo (in Japanese).

  24. (January 2015) Regression models for directional data
    Workshop "Spatio-Temporal Pattern in Biology and Statistical Mathematics: Synchronization, Recognition and Behavior", Institute of Statistical Mathematics, Tokyo (in Japanese).

  25. (October 2014) The wrapped Cauchy distribution on the circle and its bivariate extension
    Invited speaker: Applied Statistics Workshop, University of Tokyo, Tokyo (in Japanese).

  26. (June 2014) A characterization of a Cauchy family on the complex space
    Statistical Mathematics Seminar, Institute of Statistical Mathematics, Tokyo (in Japanese).

  27. (July 2013) Genetic analysis of home-cage activity of congenic mice strains using regression models
    Statistical Mathematics Seminar, Institute of Statistical Mathematics, Tokyo (in Japanese).

  28. (October 2012) A family of distributions on the circle characterized by its trigonometric moments
    Statistical Mathematics Seminar, Institute of Statistical Mathematics, Tokyo (in Japanese).

  29. (September 2012) The Cauchy distribution on the circle and related statistical models
    Invited speaker: Mathematical Society of Japan 2012 Autumn Meeting, Kyushu University, Fukuoka (in Japanese).

  30. (September 2012) A family of distributions on the circle with links to, and an application arising from, Möbius transformation
    The 2012 Japanese Joint Statistical Meeting, Hokkaido University, Sapporo (in Japanese).

  31. (September 2011) An extended family of circular distributions related to wrapped Cauchy distributions
    The 2011 Japanese Joint Statistical Meeting, Kyushu University, Fukuoka (in Japanese).

  32. (June 2011) A bivariate circular distribution and related statistical models.
    Statistical Mathematics Seminar, Institute of Statistical Mathematics, Tokyo (in Japanese).

  33. (February 2011) A distribution for a pair of unit vectors generated by Brownian motion
    Konno-Kajiwara Laboratory Seminar, Yokohama National University, Yokohama (in Japanese).

  34. (September 2010) A family of distributions on the circle with links to Möbius transformation
    Mathematical Society of Japan 2010 Autumn Meeting, Nagoya University, Nagoya (in Japanese).

  35. (September 2010) Regression analysis of directional data
    Workshop "Biotic Community and Statistical Mathematics", Institute of Statistical Mathematics, Tokyo (in Japanese).

  36. (May 2010) A Markov process for circular data
    Statistical Mathematics Seminar, Institute of Statistical Mathematics, Tokyo (in Japanese).

  37. (April 2010) A Markov process for circular data
    Invited speaker: Seminar on Probability and Statistics, University of Tokyo, Tokyo (in Japanese).

  38. (November 2009) A family of distributions on the circle with links to, and applications arising from, Möbius transformation
    Workshop "Statistics of Asymmetric Probability Distributions", Keio University, Yokohama (in Japanese).

  39. (March 2009) A family of asymmetric distributions on the circle arising from Brownian motion
    Mathematical Society of Japan 2009 Annual Meeting, University of Tokyo, Tokyo (in Japanese).

  40. (March 2008) A family of asymmetric distributions on the circle with links to Möbius transformation
    The 21st Century Center of Excellence Program Annual Conference, Keio University, Yokohama.

  41. (September 2007) A Markov process for circular data
    Mathematical Society of Japan 2007 Autumn Meeting, Tohoku University, Sendai (in Japanese).

  42. (March 2007) A bivariate circular distribution generated by Brownian motion
    The 21st Century Center of Excellence Program Annual Conference, Keio University, Yokohama (presentation under a form of poster; in Japanese).

  43. (March 2007) A distribution for a pair of unit vectors generated by Brownian motion
    Mathematical Society of Japan 2007 Annual Meeting, Saitama University, Saitama (in Japanese).

  44. (September 2006) A bivariate circular distribution with uniform marginals
    Mathematical Society of Japan 2006 Autumn Meeting, Osaka City University, Osaka (in Japanese).

  45. (March 2006) A circular-circular regression model
    Mathematical Society of Japan 2006 Annual Meeting, Chuo University, Tokyo (in Japanese).

  46. (March 2006) Dependent models with specified marginals on two tori, cylinders and discs
    The 21st Century Center of Excellence Program Annual Conference, Keio University, Yokohama (presentation under a form of poster; in Japanese).

  47. (September 2005) Dependent models on two tori and cylinders
    Mathematical Society of Japan 2005 Autumn Meeting, Okayama University, Okayama (in Japanese).

  48. (March 2005) Construction of stochastic models on the cylinder using maximum entropy principle
    Mathematical Society of Japan 2005 Annual Meeting, Nihon University, Tokyo (in Japanese).

  49. (November 2004) A further study of t-distributions on spheres
    Workshop on Statistical Inference and Applications of Time Series and Point Processes, Kagoshima (in Japanese).

  50. (October 2004) A skew t-distribution on the circle
    Mathematical Society of Japan 2004 Autumn Meeting, Hokkaido University, Sapporo (in Japanese).

  51. (November 2003) Distributions on the torus
    Workshop on Statistical Inference and Applications of Massive Data, Keio University, Yokohama (in Japanese).



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