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Paul WiegertView profile

Professor

• Planetary Science
• Astronomy
• Celestial Mechanics
• +6 more

Paul Wiegert is a Full Professor in the Department of Physics and Astronomy at the University of Western Ontario , where he has been since 1996 after positions at York University and Queen's University. He is a member of the Institute for Earth and Space Exploration (IESX) and the Centre for Planetary Science and Exploration (CPSX) . His research spans asteroid dynamics , exoplanet systems , and celestial mechanics , with notable work on Earth co-orbital asteroids like (3753) Cruithne and Earth's first Trojan asteroid 2010 TK7. Education : PhD in Astronomy (University of Toronto, 1996) Research Domains : Planetary Science, Astronomy, Big Data Analytics His recent publications focus on interstellar transport mechanisms , asteroid impact risks , and exomoon detection . Key findings include quantifying risks from asteroid 2024 YR4's potential lunar impact and demonstrating the feasibility of detecting alpha Centauri-origin material in our solar system. He actively supervises graduate students like Cole Gregg and participates in NSERC-funded summer research programs for undergraduates. For planetary defense, he has analyzed collision probabilities for Apophis and developed meteoroid hazard models for spacecraft. His work appears in Planetary Science Journal , Nature Astronomy , and Astrophysical Journal Letters , with media coverage in 60+ outlets and 126 X (Twitter) mentions .

• Solar Physics
• Space Physics
• Heliospheric Physics
• +5 more

Zigong Xu is a Postdoctoral Scholar Research Associate in Physics at the California Institute of Technology (Caltech), affiliated with the Division of Physics, Mathematics, and Astronomy. His research focuses on solar energetic particles (SEPs), heliospheric physics, and cosmic ray dynamics. His work leverages data from missions like Solar Orbiter, Parker Solar Probe, and Chang’E-4 to study particle acceleration mechanisms, interplanetary shock dynamics, and the propagation of energetic particles in the solar environment. His research interests span solar flares, coronal mass ejection interactions, and the interplay between solar eruptions and the Earth-Moon radiation environment. He has contributed to understanding phenomena such as inverse velocity dispersion in SEPs, cosmic ray cavities in near-Earth space, and the composition variations of 3He-rich SEP events. Collaborations with multi-spacecraft missions highlight his expertise in analyzing particle data across diverse heliospheric distances. Zigong has explored topics including galactic cosmic ray shielding on the lunar surface, thermodynamic properties of solar protons, and the role of coronal shocks in particle acceleration. His studies often involve advanced statistical methods and comparative analyses of observations from instruments like EPT and HET aboard Solar Orbiter, and ISOIS on Parker Solar Probe. No formal awards or grants are explicitly mentioned, though his extensive publication record reflects active engagement in the field. He collaborates with international teams on missions such as Chang’E-4’s Lunar Lander Neutron and Dosimetry (LND) experiment, advancing lunar surface radiation studies.

Stephen EikenberryView profile

Professor

• Astrophysics
• Gravitational Waves
• Black Holes
• +7 more

Stephen Eikenberry is a Professor of Optics & Photonics Physics at CREOL, The College of Optics and Photonics, University of Central Florida. His academic journey includes a Ph.D. in Astronomy from Harvard University (1997), a Sherman Fairchild Postdoctoral Prize Fellowship at Caltech, and prior tenured roles at Cornell University and the University of Florida. His research focuses on black holes, neutron stars, gravitational waves, and astronomical instrumentation, with applications in biomedical imaging and spectroscopy. Key professional milestones include the 2016 Breakthrough Prize in Fundamental Physics (as part of the LIGO Science Consortium), the NSF CAREER Award (2000), and multiple University of Florida Research Foundation Professorships. He has designed advanced optical instruments and contributed to LIGO's gravitational wave discoveries. Eikenberry's research group explores astrophotonics, dark energy, and extrasolar planets. His recent work includes analyzing gravitational wave data from LIGO/Virgo and developing lunar occultation missions. He advises multiple graduate students and collaborates on international projects like the PolyOculus Array (OPA!). Education: Ph.D. in Astronomy, Harvard University (1997) Postdoctoral Fellowship at Caltech (Sherman Fairchild Prize) Awards: Breakthrough Prize in Fundamental Physics (2016) Gruber Prize for Cosmology (2016) UK Royal Astronomical Society Team Achievement Award (2016) His publications emphasize gravitational wave astronomy, cosmology, and instrument design. He has pioneered methods to constrain cosmic expansion using gravitational wave 'standard sirens' and studies correlations between fast radio bursts and gravitational wave events.

• History of Mathematics
• 18th Century Mathematics
• Celestial Navigation
• +4 more

Dr. Steven Wepster is an Assistant Professor in the Department of Fundamental Mathematics at Utrecht University's Faculty of Science. His work is centered in the Mathematical Institute, where he contributes to both teaching and research in the history of mathematics. Wepster is actively involved in teaching courses including History of Mathematics, Mathematical Techniques 1, and Mathematical Techniques 2. Wepster's research focuses on the history of mathematics, particularly 18th century mathematical astronomy, lunar distance methods, and the works of historical figures like Tobias Mayer and Ludolph van Ceulen. His work bridges mathematical theory with historical context, examining how mathematical concepts evolved and were applied in navigation and astronomy. He has made significant contributions to understanding circle quadratures, celestial navigation techniques, and the development of mathematical tables. His scholarly activities reveal a strong pattern of engagement with the history of mathematical astronomy and navigation. Wepster has presented numerous invited talks on topics ranging from lunar distance methods to historical mathematical education. His editorial work for journals like 'Nieuw archief voor wiskunde' demonstrates his commitment to advancing historical mathematical scholarship. Among his notable activities are presentations on Tobias Mayer's lunar tables, circle quadratures of Kashani and Van Ceulen, and transits of Venus. Wepster has also been actively involved in connecting pre-university and university mathematics education, serving on the National working group GMFW. Editor for 'Nieuw archief voor wiskunde. Serie 4' (2011-2013) Editor for 'Zebra series' (2012) Member of Epsilon Publishing (2011-2013) Member of National working group GMFW (2011-2013) Wepster maintains an active role in both academic and public dissemination of mathematical history, presenting at museums like Museum Boerhaave and participating in national mathematics events. His work demonstrates a commitment to making historical mathematical concepts accessible to both academic and general audiences.

Heidar A. MalkiView profile

Professor

• Control Systems
• Digital Signal Processing
• Applied Neural Networks
• +7 more

Heidar A. Malki is a Professor of Engineering Technology and Senior Associate Dean of the Technology Division at the Cullen College of Engineering, University of Houston (UH). He holds a joint appointment in the Electrical and Computer Engineering Department and has over three decades of academic and research experience. He earned his Ph.D. in Electrical Engineering from the University of Wisconsin-Milwaukee (1990). His roles include Department Chair (2009–present) and Associate Dean for Research (2004–2009). He is a Senior Member of IEEE and serves as an Associate Editor for the IEEE Transactions on Fuzzy Systems. Education: Ph.D. in Electrical Engineering, University of Wisconsin-Milwaukee (1990) M.S. in Electrical Engineering, University of Wisconsin-Milwaukee (1985) B.S. in Electrical Engineering, University of Wisconsin-Milwaukee (1983) Research Interests: Dr. Malki specializes in control systems, neural networks, fuzzy logic, and smart grid optimization. His work bridges academic research with industrial applications, particularly in the energy and telecommunications sectors. Notable areas include neuro-fuzzy controllers, power system dynamics, and cyber-security for critical infrastructure. He has collaborated with organizations like Southwestern Bell and the oil/gas industry on neural network applications. Publications & Awards: With over 100 publications, Dr. Malki’s work spans journals like IEEE Transactions on Fuzzy Systems and International Journal of Bifurcation and Chaos . His awards include the Fluor Daniel Outstanding Faculty Award (2001, 2003) and recognition in Who's Who in America . He has authored textbooks on control systems and contributed to academic volumes on fuzzy logic applications. Grants & Leadership: He secured funding for initiatives like the Houston Information Technology Workforce Certification Center and led conferences such as the 1997 IEEE International Conference on Neural Networks. His educational contributions include pioneering web-based control systems laboratories and interdisciplinary graduate programs in technology. Labs & Teams: His research teams focus on advanced wireless sensor networks, mechatronics, and energy system optimization. Collaborations extend to NASA and the U.S. Department of Energy, emphasizing applied engineering solutions for real-world challenges.

• Basin analysis
• Sedimentary gravity flow
• Sandstone composition
• +5 more

Tohru Ohta is a Professor at Waseda University's Faculty of Education and Integrated Arts and Sciences since 2017, with prior roles as Associate Professor (2012-2016) and part-time lecturer at Chiba University (2013). Holding a Doctorate in Science from Waseda University, Ohta is a member of prestigious societies including the Geological Society of Japan and American Geophysical Union . Ph.D. (Science) - Waseda University, 2004 M.Sc. (Earth and Planetary Sciences) - Kyushu University, 2000 Ohta's research focuses on sedimentological processes across diverse environments from Archean basins to modern lunar exploration . Key contributions include: Development of logratio analysis for sediment grain-size interpretation Creation of robust weathering indices applicable to mixed sedimentary rocks Design of Active X-ray Spectrometer for lunar surface analysis Establishing terrestrial-arid links during the Carnian Pluvial Episode Quantifying glacial grain abrasion through Fourier texture analysis Recent publications demonstrate systematic applications of multivariate statistics to sediment provenance and paleoclimate studies, particularly in Asian Mesozoic basins and lunar geochemistry . Ohta's work bridges terrestrial sedimentology with planetary exploration through innovative analytical methods. Professional engagements include: Editorial contributions to Earth-Science Reviews Invited lectures on compositional data analysis and AI applications in sedimentology Principal investigator roles in SELENE-2 lunar mission development

• Bayesian Inference
• Digital Signal Processing
• Global Navigation Satellite Systems (GNSS)
• +5 more

Alex Minetto is a Fixed-Term Tenure-Track Assistant Professor at the Department of Electronics and Telecommunications (DET), Politecnico di Torino. He teaches courses such as Satellite Navigation Signal Exploitation and Numerical Estimation Methods across various Engineering programs. Research interests include Bayesian inference, GNSS signal processing, and deep-space navigation. Key research lines involve designing Bayesian filters, lunar orbiter GNSS applications, and RFI threat monitoring. His 2025-2024 publications focus on GNSS for cislunar navigation, solar storm impacts, and inter-orbiter synchronization. Supervised PhD students include Lorenzo Sciacca, Luca Morichi, and Anais Delepaut. He contributes to projects like INSPIRE and collaborates with NavSAS research group.

C.D. HoyleView profile

Professor

• Gravitation
• Precision Measurement
• Fundamental Interactions
• +3 more

C.D. Hoyle is a Professor in the Department of Physics & Astronomy at California State Polytechnic University, Humboldt. His research focuses on experimental tests of gravity through laboratory and astronomical measurements, with a particular emphasis on precision measurements of the gravitational inverse-square law at sub-millimeter scales and determination of Newton's gravitational constant, G. Collaborations include work with Prof. Decca (IUPUI), the University of Washington's Eot-Wash group, and the University of Naples, Federico II. His research explores the fundamental nature of gravity, dark energy, dark matter, and spacetime structure. Key projects include the design of world-leading gravity tests in his laboratory and participation in the APOLLO lunar laser ranging project, which achieves millimeter-precision measurements of Earth-Moon separation. The gravity lab at Humboldt State University develops novel apparatus for sub-50 micron gravity experiments and multi-mode systems to resolve discrepancies in G measurements. Recent publications (2022-2024) emphasize advancements in torsion pendulum techniques, thermal noise mitigation, active leveling schemes, and collaborative multi-mode approaches to gravitational constant determination. Ongoing work addresses theoretical challenges in short-range gravity laws and their implications for beyond-Standard-Model physics. Dr. Hoyle's contributions include pioneering precision optical systems, advanced instrumentation for sub-micron sensitivity, and leadership in international gravitational experiments. His work bridges experimental physics with astrophysical phenomena, contributing to foundational questions in cosmology and quantum gravity.

Mohammad BagherbandiView profile

Professor

• Geodesy
• Geophysics
• Surveying (Applied Geodesy)
• +5 more

Mohammad Bagherbandi is a Professor at the University of Gävle , specializing in Geomatics and Applied Geodesy within the Department of Computer Science and the Built Environment . He has been affiliated with the university since 2012 and maintains a concurrent role as a Senior Researcher (Associate Professor) at KTH Royal Institute of Technology , where he worked as a postdoctoral researcher for two years post-PhD (2011) in Physical Geodesy and Earth's Interior Modeling . Research Areas : Precision positioning, Earth observation, infrastructure monitoring, gravity field modeling, environmental monitoring (climate change, ice melt, sea-level changes) Key Methods : Geodetic, remote sensing, GNSS/IMU integration, GNSS reflectometry, InSAR His recent work emphasizes interdisciplinary links between geodesy and geophysics , particularly in quantifying land uplift from glacial isostatic adjustment (via GRACE/GRACE-FO), deformation monitoring in urban/railway systems, and integrating geodetic data with wireless sensors. Projects include: Roof network in the air (2019–2022) - Swedish Transport Administration Satellite monitoring of railways (2020–2021) - Traffic Agency Spatial Data Innovation (2018–2021) - Swedish Agency for Economic and Regional Growth 3D mapping accuracy (2018–2020) - Lars E. Lundberg's Foundation Subsidence monitoring in urban regions (2019–2020) - SWECO/J. Gust. Richert Foundation He contributes to GNSS signal applications for detecting sea-level variations and tidal frequencies, alongside theoretical advancements in geoid/quasigeoid modeling and relativistic geodesy. His research spans planetary height systems (e.g., Mars/Lunar geodesy) and geophysical stress modeling in regions like Fennoscandia and the Tibetan Plateau.