Featured News
Interdisciplinary Theoretical and Mathematical Sciences Program (iTHEMS) is an international research program at RIKEN. It facilitates close collaborations among researchers from different disciplines in theoretical, mathematical and computational sciences. The ultimate goal of iTHEMS is to unravel the mystery of the Universe, matter, and life, as well as to solve key problems in modern society through interdisciplinary approaches.
Upcoming Events
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Seminar Today
Mathematical modeling of circadian rhythm: temperature compensation and after effect
November 7 (Thu) at 16:00 - 17:00, 2024
Yuta Kitaguchi (Ph.D. Student, Graduate School of Natural Science & Technology, Kanazawa University)
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Seminar
Forming primordial black holes
November 11 (Mon) at 14:00 - 15:30, 2024
Zachary Picker (Postdoctoral Researcher, University of California, Los Angeles, USA)
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Workshop
iTHEMS Science Outreach Workshop 2024
November 15 (Fri) - 17 (Sun), 2024
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Workshop
Entanglements & Applications
November 18 (Mon) at 9:30 - 15:00, 2024
Myfanwy Evans (Professor, Institute of Mathematics, University of Potsdam, Germany)
Stephen Hyde (Emeritus Professor, Materials Physics, Australian National University, Australia)
Toky Andriamanalina (Ph.D. Student, Institute of Mathematics, University of Potsdam, Germany) -
Seminar
Machine learning applications in neutron star physics
November 19 (Tue) at 15:00 - 16:30, 2024
Márcio Ferreira (Researcher, Physics Department, University of Coimbra, Portugal)
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Seminar
Solving inverse problem via latent variable optimization of diffusion models: An application to CT reconstruction
November 25 (Mon) at 14:00 - 15:00, 2024
Sho Ozaki (Assistant Professor, Graduate School of Science and Technology, Hirosaki University)
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Colloquium
The 27th MACS Colloquium
November 25 (Mon) at 14:45 - 18:00, 2024
Ryusuke Hamazaki (RIKEN Hakubi Team Leader, Nonequilibrium Quantum Statistical Mechanics RIKEN Hakubi Research Team, RIKEN Cluster for Pioneering Research (CPR))
Teruaki Enoto (Associate Professor, Department of Physics, Division of Physics and Astronomy, Graduate School of Science, Kyoto University) -
Seminar
The Long Road towards Quantum Simulations of the Standard Model
December 6 (Fri) at 11:00 - 12:00, 2024
Dorota Grabowska (Research Assistant Professor, InQubator for Quantum Simulations (IQuS), University of Washington, USA)
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Seminar
How Neural Networks reduce the Fermionic Sign Problem and what we can learn from them
December 11 (Wed) at 15:30 - 16:30, 2024
Johann Ostmeyer (Post-doctoral Fellow, Helmholtz-Institut für Strahlen- und Kernphysik, University of Bonn, Germany)
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Seminar
Detecting single gravitons with quantum sensing
December 16 (Mon) at 14:00 - 15:30, 2024
Germain Tobar (PhD Fellow, Stockholm University, Norway)
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Seminar
7th QGG Intensive Lectures: Emergence of space-time in matrix models
December 17 (Tue) - 19 (Thu), 2024
Asato Tsuchiya (Professor, Shizuoka University)
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Seminar
Stochastic Normalizing Flows for Lattice Field Theory
December 18 (Wed) at 15:30 - 16:30, 2024
Elia Cellini (PhD, Department of Physics, University of Turin, Italy)
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Workshop
Pebbles in Planet Formation
February 10 (Mon) - 13 (Thu), 2025
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Workshop
Third Workshop on Density Functional Theory: Fundamentals, Developments, and Applications (DFT2025)
March 25 (Tue) - 27 (Thu), 2025
Opportunities
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Seeking a few Postdoctoral Researchers or Research Scientists (W24214)
Deadline: Open until filled
Postdoctoral Researcher or Research Scientist, a few positions. iTHEMS is seeking Postdoctoral Researchers or Research Scientists in the field of theoretical physics.
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Seeking a few Research Scientists or Senior Research Scientists (W24208)
Deadline: Open until filled
Research Scientist or Senior Research Scientist, a few positions. iTHEMS is seeking young researchers with strong motivation to actively promote interdisciplinary research and demonstrate leadership.
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Seeking a few Research Scientists or Senior Research Scientists (W24193)
Deadline: Open until filled
Research Scientist or Senior Research Scientist, a few positions. iTHEMS is seeking Research Scientists or Senior Research Scientists to advance research in mathematics, including algebra, geometry, and analysis.
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Seeking a few Research Scientists or Senior Research Scientists (W24189)
Deadline: Open until filled
Research Scientist or Senior Research Scientist, a few positions. iTHEMS is seeking Research Scientists or Senior Research Scientists in the fields of theoretical biology, mathematical biology, computational biology, and biophysics.
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Seeking a few Research Scientists or Senior Research Scientists (W24168)
Deadline: Open until filled
Research Scientist or Senior Research Scientist, a few positions. iTHEMS is seeking applications for Research Scientists or Senior Research Scientists in the field of applied mathematics.
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Seeking a Team Leader (W24148)
Deadline: November 10, 2024
Team Leader: 1 position (Newly established team: AI for Science areas). iTHEMS is seeking a team leader who will promote 'AI for Science,' a field that accelerates research in the natural and social sciences through cutting-edge AI research and mathematical science, in collaboration with researchers both within and outside of iTHEMS.
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Seeking a Team Leader (W24147)
Deadline: November 10, 2024
Team Leader: 1 position (Newly established team: mathematical social sciences area). iTHEMS is seeking a team leader who will promote mathematical research to understand the dynamic structure of complex networks and pursue social stability and sustainability based on this understanding, in collaboration with researchers both within and outside of iTHEMS.
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Seeking a few Postdoctoral Researchers or Research Scientists (W24096)
Deadline: Open until filled
Postdoctoral Researchers or Research Scientists, a few positions. iTHEMS is seeking a few Postdoctoral Researchers or Research Scientists working in the Mathematical Genomics RIKEN ECL Research Unit(tentative name) with Dr. Leo Speidel.
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Seeking a few Postdoctoral Researchers (W24022)
Deadline: Open until filled
Postdoctoral Researcher, a few positions. iTHEMS is seeking postdoctoral researcher(s) in ecology, evolutionary biology, and biodviersity.
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Seeking Postdoctoral Researcher, Research Scientist and Senior Research Scientist (W23143)
Deadline: Open until filled
Postdoctoral Researcher, Research Scientist or Senior Research Scientist, about 10 positions. This call is open to researchers in any field who wish to participate in RIKEN Quantum.
Latest News
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2024-10-31
Paper of the WeekWeek 5, October 2024
Title: Quarkyonic matter pieces together the hyperon puzzle Author: Yuki Fujimoto, Toru Kojo, Larry McLerran arXiv: http://arxiv.org/abs/2410.22758v1 Title: Nucleon-charmonium interactions from lattice QCD Author: Yan Lyu, Takumi Doi, Tetsuo Hatsuda, Takuya Sugiura arXiv: http://arxiv.org/abs/2410.22755v1 Title: Exploring the $ φ{\text -}α$ interaction via femtoscopic study Author: Faisal Etminan arXiv: http://arxiv.org/abs/2410.22756v1 Title: Dispersion kinks from electronic correlations in an unconventional iron-based superconductor Author: Ming-Hua Chang, Steffen Backes, Donghui Lu, Nicolas Gauthier, Makoto Hashimoto, Guan-Yu Chen, Hai-Hu Wen, Sung-Kwan Mo, Roser Valenti, Heike Pfau arXiv: http://arxiv.org/abs/2410.23044v1 Title: Probing the goldstino excitation via tunneling current noise in a Bose-Fermi mixture Author: Tingyu Zhang arXiv: http://arxiv.org/abs/2410.20794v1 Title: On learning higher-order cumulants in diffusion models Author: Gert Aarts, Diaa E. Habibi, Lingxiao Wang, Kai Zhou arXiv: http://arxiv.org/abs/2410.21212v1 Title: Diffusion models for lattice gauge field simulations Author: Qianteng Zhu, Gert Aarts, Wei Wang, Kai Zhou, Lingxiao Wang arXiv: http://arxiv.org/abs/2410.19602v1 Title: Lattice study of RG fixed point based on gradient flow in $3$D $O(N)$ sigma model Author: Okuto Morikawa, Mizuki Tanaka, Masakiyo Kitazawa, Hiroshi Suzuki arXiv: http://arxiv.org/abs/2410.19425v1 Title: Physics-informed Neural Networks for Functional Differential Equations: Cylindrical Approximation and Its Convergence Guarantees Author: Taiki Miyagawa, Takeru Yokota arXiv: http://arxiv.org/abs/2410.18153v1 Title: Threats to cycad biocultural heritage in the Amami Islands, Japan Author: Joshua D. Englehardt, Michael D. Carrasco, José Said Gutiérrez-Ortega, Benjamin E. Deloso, Nobuyuki Matsubara Journal Reference: Plant Species Biology doi: https://doi.org/10.1111/1442-1984.12494
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2024-10-24
Paper of the WeekWeek 4, October 2024
Title: Ceratozamia chinantlensis (Zamiaceae): A New Cycad Species from La Chinantla, Oaxaca, Mexico Author: Miguel Angel Pérez-Farrera, Steven M. Ramirez-Oviedo, Mauricio Gerónimo Martínez-Martínez, Gaspar Moreno Mendez, Ana Guadalupe Rocha Loredo, José Said Gutiérrez-Ortega Journal Reference: Taxonomy 2024, 4(4), 733-747 doi: https://doi.org/10.3390/taxonomy4040039 Title: Ceratozamia guatemalensis (Zamiaceae): A new cycad species from Mesoamerica Author: Miguel Ángel Pérez-Farrera, Pedro Díaz-Jiménez, Maura L. Quezada, Andrea Marroquín-Tintí, Héctor M. Delgado-Montejo, Sandy A. Mendoza-Montejo, José Said Gutiérrez-Ortega Journal Reference: Phytotaxa 668 (1): 63-80 (2024) doi: https://doi.org/10.11646/phytotaxa.668.1.4 Title: Ceratozamia alba (Zamiaceae): A new cycad species from the Selva El Ocote Biosphere Reserve in Chiapas, Mexico Author: Miguel Ángel Pérez-Farrera, Mauricio G. Martínez-Martínez, Gaspar Moreno-Méndez, Andrew P. Vovides, José Said Gutiérrez-Ortega Journal Reference: Phytotaxa 666 (4): 257-276 (2024) doi: https://doi.org/10.11646/phytotaxa.666.4.2 Title: Multi wavefunction overlap and multi entropy for topological ground states in (2+1) dimensions Author: Bowei Liu, Junjia Zhang, Shuhei Ohyama, Yuya Kusuki, Shinsei Ryu arXiv: http://arxiv.org/abs/2410.08284v1
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2024-10-23
Seminar ReportiTHEMS Biology Seminar by Hirokazu Fukuda on October 17, 2024
On October 17, Dr Hirokazu Fukuda delivered a thought-provoking presentation titled “Digital Twinning of Plant Internal Clocks for Robotics and Virtual Reality Enhancements in Agriculture.” In Japan, the agricultural workforce has decreased by more than 30% over the past decade, creating a growing demand for technological innovations like robotics and AI to support the industry. Dr Fukuda shared his theoretical research, which focuses on understanding so-called, biological clocks that regulate our physiological processes. He has applied this knowledge to operate plant factories, successfully cultivating crops such as lettuce. He emphasized the importance of real-time 3D simulations in future "AI plant factories," where robots will play a central role based on data gathered from sensors within the facility. During his presentation, Dr Fukuda highlighted the role of mathematical research, especially in developing predictive models for plant growth. The seminar, held via Zoom, attracted more than 30 participants and sparked an active and engaging discussion. Thanks Fukuda san for great presentation!! Reported by Gen Kurosawa