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X-WR-CALDESC:Events for Ashoka University
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TZID:Asia/Kolkata
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DTSTART:20250101T000000
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BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20260127T133000
DTEND;TZID=Asia/Kolkata:20260127T144500
DTSTAMP:20260122T194854Z
CREATED:20260122T194854Z
LAST-MODIFIED:20260122T194854Z
UID:88836-1769520600-1769525100@www.ashoka.edu.in
SUMMARY:CS - Psychology Colloquium
DESCRIPTION:Abstract: The study of the geometric organization of biological cells and tissue has a rich history. The organization of cells into tissues and organs has often been described qualitatively and with visual illustrations. However\, advances in imaging technology coupled with modern computer vision (CV) and machine learning (ML) techniques have progressively allowed speculation on structure-function relationships in biology and medicine to be formalized quantitatively.\nAstrocytes are non-neuronal cells of the central nervous system (CNS) that have complex structural\, molecular\, and physiological properties enabling them to regulate ion homeostasis\, neurotransmitter levels\, synaptic function/plasticity\, and brain energetics.\nThese cells are an interesting case study for both computer scientists as well as neuroscientists. Firstly\, their structure-function relationships have yet to be fully elucidated\, and thus analysis of their geometry\, shape\, and the principles by which their structure is organized will lead to new theories of how they participate in brain function. Secondly\, due to their morphological complexity\, astrocytes push the limits of both microscopy and CV and ML algorithms. Innovative approaches are therefore necessary to understand their shape and function.\nIn this talk I'll briefly highlight some unresolved questions in the field of astrocyte biology that computational methods are uniquely positioned to address and  present my own past and ongoing work that leverages CV and ML techniques to tackle some of these questions shedding new light on the organization of these cells. \n\nAbout the Speaker: Tabish Syed\, is a Postdoctoral Fellow at the Centre for Research Neuroscience at McGill University Health Center-Research Institute. He earned his PhD in Computer Science from McGill University with the shape analysis group\, specializing in biological image computing. His research interest lies in developing computational methods to answer biological questions\, with a particular interest in geometry and math-based approaches for biological image analysis. Currently\, his work centers on understanding the role of astrocytes in modulating behavior in mice\, leveraging computer vision and machine learning techniques to explore astrocytic function. \nWe look forward to your active participation.
URL:https://www.ashoka.edu.in/event/cs-psychology-colloquium/
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BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20260127T133000
DTEND;TZID=Asia/Kolkata:20260127T145000
DTSTAMP:20260113T060317Z
CREATED:20260113T051125Z
LAST-MODIFIED:20260113T060317Z
UID:88418-1769520600-1769525400@www.ashoka.edu.in
SUMMARY:Physics Colloquium
DESCRIPTION:Abstract: Spin current\, which represents a flow of angular momentum\, has garnered significant attention for its role in magnetization manipulation within spintronic devices. Several established methods are used to generate spin current\, including nonlocal spin injection\,[1]\,[2] spin pumping\,[3]\,[4] spin Hall effect (SHE) and Rashba–Edelstein effect.[5]-[6] The spin transfer torque (STT) induced by spin current has become a key mechanism in the development of STT-based magnetic random access memory (MRAM)\, which holds promise as a replacement for conventional memory technologies such as DRAM. More recently\, spin–orbit torque (SOT)—a form of STT mediated by the SHE—has attracted growing interest\, driven by both the pursuit of deeper understanding of the underlying physics and the potential for technological breakthroughs in next-generation magnetic memory and logic devices.[7]-[9] In this seminar\, I will present the fundamental mechanisms and experimental techniques related to spin current generation\, STT\, SHE\, and SOT\, highlighting their implications for future spintronic applications. \nReferences:\n[1] Y. Fukuma\, L. Wang\, H. Idzuchi\, S. Takahashi\, S. Maekawa\, Y. Otani\, Nature Materials\, 10\, 527(2011).\n[2] K. Fujiwara\, Y. Fukuma\, J. Matsuno\, H. Idzuchi\, Y. Niimi\, Y. Otani\, H. Takagi\, Nature Communications\, 4\, 2893(2013).\n[3] S. Gupta\, R. Medwal\, D. Kodama\, K. Kondou\, Y. Otani\, Y. Fukuma\, Applied Physics Letters\, 110\, 22404(2017).\n[4] R. Medwal\, S. Gupta\, R. S. Rawat\, A. Subramanian\, Y. Fukuma\, Physica Status Solidi-Rapid Research Letters\, 1900267 (2019).\n[5] K. Kondou\, R. Yoshimi\, A. Tsukazaki\, Y. Fukuma\, J. Matsuno\, K. S. Takahashi\, M. Kawasaki\, Y. Tokura\, Y. Otani\, Nature Physics\, 12\, 527(2016).\n[6] U. Shashank\, R. Medwal\, Y. Nakamura\, J. R. Mohan\, R. Nongjai\, K. Asokan\, R. S. Rawat\, H. Asada\, S. Gupta\, Y. Fukuma\, Advanced Quantum Technologies\, 4\, 2000112(2021).\n[7] U. Shashank\, T. Tomoda\, A. J. Mathew\, G. Vashisht\, K. Imai\, Y. Kusaba\, C.-L. Dong\, C.-L. Chen\, Y. Horibe\, M. Ishimaru\, H. Awano\, H. Asada\, Y. Fukuma\, NPG Asia Materials\, 17\, 15 (2025).\n[8] A. J. Mathew\, J. R. Mohan\, C. Yamanaka\, K. Shintaku\, M. Mohammadi\, H. Awano\, H. Asada\, Y. Fukuma\, Applied Physics Letters\, 126\, 082405 (2025).\n[9] K. Shintaku\, A. J. Mathew\, A. Iwamoto\, M. Mohammadi\, H. Awano\, H. Asada\, Y. Fukuma\, Applied Physics Letters\, 127\, 012410 (2025). \nAbout the Speaker: Prof. Yasuhiro Fukuma received his PhD in Material Science from Yamaguchi University (Japan) in 2002. After research positions at Yamaguchi Prefectural Industrial Technology Institute (Japan)\, University of Alabama (USA)\, RIKEN (Japan)\, he jointed at Kyushu Institute of Technology in 2012. He has been working on spintronic technology for the last 29 years\, and published over 100 peer-reviewed journal papers and holds 7 patents. His main project is recently related to spin Hall effect and its memory and neuromorphic computing applications. \nWe look forward to you active participation.
URL:https://www.ashoka.edu.in/event/physics-colloquium/
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BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20260127T150000
DTEND;TZID=Asia/Kolkata:20260127T163000
DTSTAMP:20260123T042102Z
CREATED:20260123T042102Z
LAST-MODIFIED:20260123T042102Z
UID:88821-1769526000-1769531400@www.ashoka.edu.in
SUMMARY:Mathematics Colloquium
DESCRIPTION:Dear All\, \nThe Department of Mathematics is inviting you to attend a colloquium on January 27\, 2026 (Tuesday). \nSpeaker: Prof. Nikita Agarwal \nDepartment of Mathematics\, University of Delhi \nTitle: Perturbation of Subshifts\, Drop in Entropy and Escape Rate \nAbstract: Symbolic dynamics emerged from the works of Hadamard\, Hedlund\, and Morse about a century ago on understanding geodesics on surfaces. These works led to the study of the shift dynamical system\, which consists of the space consisting of infinite sequences and the left shift map acting on it. Such systems are of wider scientific interest and also provide a powerful tool to understand dynamical systems such as Anosov and pseudo Anosov maps. The tools and techniques have wide applicability in ergodic theory\, measure theory\, topology\, geometry\, network theory\, and information theory. \nIn this talk\, we will begin with an overview of the area of Symbolic dynamics. We will discuss the issue of perturbation of shifts and some recent results and its connections with the escape rate into a hole in an open dynamical system. We will conclude with some applications in network theory and open research issues. \nWe look forward to having you with us.
URL:https://www.ashoka.edu.in/event/mathematics-colloquium/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Kolkata:20260127T170000
DTEND;TZID=Asia/Kolkata:20260127T180000
DTSTAMP:20260119T011655Z
CREATED:20260119T011655Z
LAST-MODIFIED:20260119T011655Z
UID:88550-1769533200-1769536800@www.ashoka.edu.in
SUMMARY:Invited Talk by Dr. Henrik Syse | Leadership and Humankind’s Incredible Journey to the Moon
DESCRIPTION:
URL:https://www.ashoka.edu.in/event/invited-talk-by-dr-henrik-syse-leadership-and-humankinds-incredible-journey-to-the-moon/
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