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 Tomorrow
Mechanism for Converting Temporal Rhythms into Spatial Patterns of Body Segment
December 12 (Thu) at 13:00 - 14:00, 2024
Koichiro Uriu (Associate Professor, School of Life Science and Technology, Institute of Science Tokyo)
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Seminar Tomorrow
Recent Advances in the Spectral Geometry of Domains and Approaches with Computer-Assisted Proofs
December 12 (Thu) at 15:00 - 17:00, 2024
Ryoki Endo (Ph.D. Student, Fundamental Sciences, Graduate School of Science and Technology, Niigata University)
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Seminar
Particle acceleration in relativistic astrophysical plasmas
December 13 (Fri) at 14:00 - 15:15, 2024
Camilia Demidem (Research Scientist, iTHEMS)
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Seminar
Perturbative unitarity of Higgs inflation in the Riemannian and generalized geometry
December 13 (Fri) at 16:00 - 17:30, 2024
Yusuke Mikura (Ph.D. Student, C-Lab, Department of Physics, Institute for Advanced Research, Nagoya University)
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Seminar
Detecting single gravitons with quantum controlled mechanical oscillators
December 16 (Mon) at 14:00 - 15:30, 2024
Germain Tobar (PhD Fellow, Stockholm University, Norway)
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Seminar
Hopfions in Condensed Matter and Field Theory
December 16 (Mon) at 16:00 - 17:30, 2024
Avadh Saxena (Professor, Los Alamos National Laboratory, USA)
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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
Dark Matter and Neutron Stars: A Gravitational Laboratory for the Unknown
December 18 (Wed) at 10:00 - 11:30, 2024
Ankit Kumar (Postdoctoral Fellow, Faculty of Science and Technology, Kochi 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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Seminar
Applied plant genomics for evolutionary history, agriculture, and conservation
December 19 (Thu) at 16:00 - 17:00, 2024
Antonio Hernández-López (Professor, National Autonomous University of Mexico, Mexico)
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Seminar
EOS Dependence on Cooling of Isolated Neutron Stars
December 20 (Fri) at 14:00 - 15:15, 2024
Stavros Fakiolas (Ph.D. Student, University of Oxford, UK)
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Seminar
Search for BSM particles from high energy supernova neutrinos
January 10 (Fri) at 14:00 - 15:15, 2025
Kensuke Akita (JSPS Research Fellow, Graduate School of Science, The University of Tokyo)
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Seminar
Probabilistic approach to discrete integrable systems
January 17 (Fri) at 15:30 - 17:30, 2025
Makiko Sasada (Professor, Graduate School of Mathematical Sciences, The University of Tokyo)
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Seminar
Quantum Error Mitigation
January 28 (Tue) - 29 (Wed), 2025
Suguru Endo (Ph.D. Researcher, Research Center for Theoretical Quantum Information, NTT Computer and Data Science Laboratories)
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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 Assistants (W24257)
Deadline: Open until filled
Assistants, a few positions. iTHEMS is seeking a few assistants to support the center's operations. Responsibilities include administrative tasks such as procurement, budget management, and personnel procedures, as well as preparing and organizing research meetings, seminars, and managing researchers' schedules.
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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.
Latest News
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2024-12-09
Seminar ReportQuantum Computation SG Seminar by Dorota Grabowska on December 6, 2024
The seminar speaker introduced the topic of Quantum Computations for Lattice Gauge Theories (LGT). Classical methods to solve LGTs are very advanced and allow researchers to connect the Standard Model of Particle Physics and its predictions to collider experiments. Some important phenomena arising in the Standard Model can not be explored with classical algorithms, and they may benefit from quantum computers. The seminar introduced the important aspects of research needed to understand how to define LGT in the Hamiltonian formulation. For example, how to define the Hamiltonian and its symmetries. Or how to choose the basis of the quantum operators on the lattice. Many interesting discussions followed the seminar. Reported by Enrico Rinaldi (Quantinuum / iTHEMS)
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2024-12-05
Paper of the WeekWeek 2, December 2024
Title: A deep neural network approach to solve the Dirac equation Author: Chuanxin Wang, Tomoya Naito, Jian Li, Haozhao Liang arXiv: http://arxiv.org/abs/2412.03090v1 Title: Diffusion models learn distributions generated by complex Langevin dynamics Author: Diaa E. Habibi, Gert Aarts, Lingxiao Wang, Kai Zhou arXiv: http://arxiv.org/abs/2412.01919v1 Title: Relative simplicity of the universal coverings of transformation groups and Tsuboi's metric Author: Morimichi Kawasaki, Mitsuaki Kimura, Hiroki Kodama, Yoshifumi Matsuda, Takahiro Matsushita, Ryuma Orita arXiv: http://arxiv.org/abs/2412.00839v1 Title: Topological electronic structure and electronic nematicity in candidate kagome superconductors, ATi$_{3}$Bi$_{5}$ (A = Rb, Cs) Author: Yong Hu, Congcong Le, Xianxin Wu, Ming Shi Journal Reference: Supercond. Sci. Technol. 37, 123004 (2024) doi: https://doi.org/10.1088/1361-6668/ad8bf9 arXiv: http://arxiv.org/abs/2410.21678v1
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2024-12-04
Researches & ResearchersExploring Quantum Gravity Theories and Contributing to the Future - Yasunori Nomura
Professor Yasunori Nomura, a theoretical physicist at the University of California, Berkeley, has been staying at RIKEN iTHEMS for about two months each summer since last year, conducting research. Despite his busy schedule, Nomura is also actively engaged in outreach activities. We spoke with him about his life journey and thoughts on his research activities. Please see the full article via the related link.