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Biomedical Mathematics Group

Biomedical Mathematics Group

기초과학연구원 의생명수학그룹

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12 events found.

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  • June 2025

  • Fri 27
    June 27 @ 4:00 pm - 5:00 pm KST

    U Jin Choi – Simulation-Free Schrodinger Bridges Via Score and Flow Matching (by Tong et al, AISTATS 2024).

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    Abstract: 임의로 정한 Initial Distribution Q1 와 Terminal Distribution Q2가 주어 졌을 때 시점과 종점 사이의 contiinious time상에  정의 되는 의미 있는 최적의 Probability Path Measure P 를 찾는 Schrodinger Bridges Problem 은 자연과학,공학, 의료 및 생명공학,경제학 및 금융공학 등의 여러 분야에 나타나는 모델들을 푸는 Unified AI Model 사용 되고 있습니다. Schrodinger Bridges Problem은  유일한 해가 존재 하는 정리는( Follmer,1988)  증명 되었으므로 데이터를 이용하여  Neural Network Models에 대한 효율적으로 학습방법,  빠른 알고리즘 연구에 집중 되고 있습니다. Tong et al 연구팀은 2023년 부터 ODE에 기반한 획기적인 생성모델인  Flow Matching for Generative Modeling 기법을  SDE 기반 Diffusion Generative Models에 접목하여 Schrodinger Bridges Problem의 해법을 제시하였습니다.

  • July 2025

  • Thu 3
    July 3 @ 4:00 pm - 5:00 pm KST

    Jihun Han – Bridging PDEs and machine learning

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    Abstract: This talk consists of two main parts. In the first part, I will discuss a numerical method for solving PDEs based on a stochastic representation of the solution. This …

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  • Fri 4
    July 4 @ 2:00 pm - 4:00 pm KST

    Machine learning methods trained on simple models can predict critical transitions in complex natural systems – Shingo Gibo

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    In this talk, we discuss the paper "Machine learning methods trained on simple models can predict critical transitions in complex natural systems" by  Smita Deb, Sahil Sidheekh, Christopher F. Clements, …

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  • Fri 11
    July 11 @ 2:00 pm - 4:00 pm KST

    Optimal transport for generating transition states in chemical reactions – Gyuyoung Hwang

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    In this talk, we discuss the paper "Optimal transport for generating transition states in chemical reactions" by C. Duan et.al., Nat. Machine. Intelligence, 2025. Abstract Transition states (TSs) are transient …

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  • Fri 18
    July 18 @ 2:00 pm - 4:00 pm KST

    scGPT: toward building a foundation model for single-cell multi-omics using generative AI – Hyun Kim

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    In this talk, we discuss the paper "scGPT: toward building a foundation model for single-cell multi-omics using generative AI" by Haotian Cui, et.al. Nature Methods, 2024. Abstract Generative pretrained models …

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  • Mon 21
    July 21 @ 11:00 am - 12:00 pm KST

    Jae-Kwang Kim – Weight calibration for causal inference and transfer learning

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    Abstract: Weight calibration is a popular technique in handling covariate-shift problem in causal inference. It can be viewed as a dual optimization problem for incorporating the implicit regression model. We introduce the generalized entropy calibration as a general tool for weight calibration. Several interesting applications will be introduced in the context of causal inference. Furthermore, weight calibration can be used to transfer learning, which combines information from two different samples, one for source data and the other for target data.

  • Fri 25
    July 25 @ 2:00 pm - 4:00 pm KST

    Effective Markovian dynamics method of solving non-Markovian dynamics of stochastic gene expression – Dongju Lim

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    In this talk, we discuss the paper "Effective Markovian dynamics method of solving non-Markovian dynamics of stochastic gene expression" by Youming Li and Chen Jia, Physical Review Letters, to appear. …

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  • August 2025

  • Fri 1
    August 1 @ 2:00 pm - 4:00 pm KST

    Quantifying the energy landscape of high-dimensional oscillatory systems by diffusion decomposition – Eui Min Jeong

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    In this talk, we discuss the paper "Quantifying the energy landscape of high-dimensional oscillatory systems by diffusion decomposition" by S. Bian et.al., Cell Reports Physical Science, 2025. Abstract High-dimensional networks …

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  • Wed 6
    August 6 @ 3:00 pm - 5:00 pm KST

    Jooyoung Hahn – Topological Data Analysis with two applications: Tumor Microenvironment and 2D Chromatography with High-Resolution Mass Spectrometry

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    Abstract  Topological Data Analysis (TDA) has emerged as a powerful framework for uncovering meaningful structure in high-dimensional, complex datasets. In this talk, we present two applications of TDA in analyzing patterns, one in …

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  • Fri 8
    August 8 @ 2:00 pm - 4:00 pm KST

    Circadian rhythm analysis using wearable-based accelerometry as a digital biomarker of aging and healthspan – Yun Min Song

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    In this talk, we discuss the paper "Circadian rhythm analysis using wearable-based accelerometry as a digital biomarker of aging and healthspan" by J. Shim et.al., npj digital medicine, 2024. Abstract …

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  • Fri 22
    August 22 @ 3:30 pm - 5:30 pm KST

    Statistical method scDEED for detecting dubious 2D single-cell embeddings and optimizing t-SNE and UMAP hyperparameters – Kevin Spinicci

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    In this talk, we discuss the paper "Statistical method scDEED for detecting dubious 2D single-cell embeddings and optimizing t-SNE and UMAP hyperparameters" by L. Xia et.al. Nature Communications, 2024. Abstract …

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  • Fri 29
    August 29 @ 2:00 pm - 4:00 pm KST

    Binning as a Pretext Task: Improving Self-Supervised Learning in Tabular Domains – Jinwoo Hyun

    B232 Seminar Room, IBS 55 Expo-ro Yuseong-gu, Daejeon, Daejeon, Korea, Republic of

    In this talk, we discuss the paper "Binning as a Pretext Task: Improving Self-Supervised Learning in Tabular Domains" by K. Lee. Abstract The ability of deep networks to learn superior …

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IBS 의생명수학그룹 Biomedical Mathematics Group
기초과학연구원 수리및계산과학연구단 의생명수학그룹
대전 유성구 엑스포로 55 (우) 34126
IBS Biomedical Mathematics Group (BIMAG)
Institute for Basic Science (IBS)
55 Expo-ro Yuseong-gu Daejeon 34126 South Korea
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