https://www.yiwenchen.me/talks/Recent & Upcoming TalksWowchemy (https://wowchemy.com)en-us© 2026 Yiwen Chen.https://www.yiwenchen.me/media/icon_hu58df4030709b3525813cf337190f60c3_19503_512x512_fill_lanczos_center_3.pnghttps://www.yiwenchen.me/talks/https://www.yiwenchen.me/talk/subspace-modeling-and-random-subspace-trust-region-methods-in-derivative-free-optimization-1h/Thu, 23 Jul 2026 14:30:00 +0000https://www.yiwenchen.me/talk/subspace-modeling-and-random-subspace-trust-region-methods-in-derivative-free-optimization-1h/https://www.yiwenchen.me/talk/subspace-modeling-and-random-subspace-trust-region-methods-in-derivative-free-optimization-25mins/Mon, 20 Jul 2026 08:00:00 +0000https://www.yiwenchen.me/talk/subspace-modeling-and-random-subspace-trust-region-methods-in-derivative-free-optimization-25mins/https://www.yiwenchen.me/talk/clarsta-a-random-subspace-trust-region-algorithm-for-convex-constrained-derivative-free-optimization-25mins/Mon, 22 Jun 2026 14:40:00 +0000https://www.yiwenchen.me/talk/clarsta-a-random-subspace-trust-region-algorithm-for-convex-constrained-derivative-free-optimization-25mins/https://www.yiwenchen.me/talk/clarsta-a-random-subspace-trust-region-algorithm-for-convex-constrained-derivative-free-optimization-20mins/Fri, 20 Mar 2026 08:00:00 +0000https://www.yiwenchen.me/talk/clarsta-a-random-subspace-trust-region-algorithm-for-convex-constrained-derivative-free-optimization-20mins/https://www.yiwenchen.me/talk/randomized-subspace-methods-for-high-dimensional-model-based-derivative-free-optimization-20mins/Wed, 10 Dec 2025 17:00:00 +0000https://www.yiwenchen.me/talk/randomized-subspace-methods-for-high-dimensional-model-based-derivative-free-optimization-20mins/https://www.yiwenchen.me/talk/randomized-subspace-methods-for-high-dimensional-model-based-derivative-free-optimization-35mins/Fri, 05 Dec 2025 13:00:00 +0000https://www.yiwenchen.me/talk/randomized-subspace-methods-for-high-dimensional-model-based-derivative-free-optimization-35mins/https://www.yiwenchen.me/talk/randomized-subspace-methods-for-high-dimensional-model-based-derivative-free-optimization-12mins/Sat, 18 Oct 2025 13:45:00 +0000https://www.yiwenchen.me/talk/randomized-subspace-methods-for-high-dimensional-model-based-derivative-free-optimization-12mins/https://www.yiwenchen.me/talk/determining-inscribability-of-polytopes-via-rank-minimization-based-on-slack-matrices/Tue, 17 Jun 2025 16:00:00 +0000https://www.yiwenchen.me/talk/determining-inscribability-of-polytopes-via-rank-minimization-based-on-slack-matrices/https://www.yiwenchen.me/talk/random-subspace-trust-region-algorithm-for-high-dimensional-convex-constrained-derivative-free-optimization/Sun, 08 Jun 2025 08:30:00 +0000https://www.yiwenchen.me/talk/random-subspace-trust-region-algorithm-for-high-dimensional-convex-constrained-derivative-free-optimization/https://www.yiwenchen.me/talk/characterizing-the-inscribability-of-polytopes-using-slack-matrices/Sat, 21 Sep 2024 11:30:00 +0000https://www.yiwenchen.me/talk/characterizing-the-inscribability-of-polytopes-using-slack-matrices/https://www.yiwenchen.me/talk/q-fully-quadratic-modeling-and-its-application-in-a-random-subspace-derivative-free-method-25mins/Thu, 25 Jul 2024 14:30:00 +0000https://www.yiwenchen.me/talk/q-fully-quadratic-modeling-and-its-application-in-a-random-subspace-derivative-free-method-25mins/https://www.yiwenchen.me/talk/q-fully-quadratic-modeling-and-its-application-in-a-random-subspace-derivative-free-method-1h/Thu, 04 Apr 2024 14:00:00 +0000https://www.yiwenchen.me/talk/q-fully-quadratic-modeling-and-its-application-in-a-random-subspace-derivative-free-method-1h/https://www.yiwenchen.me/talk/adjusting-the-centred-simplex-gradient-to-compensate-for-misaligned-sample-points/Wed, 20 Jul 2022 13:15:00 +0000https://www.yiwenchen.me/talk/adjusting-the-centred-simplex-gradient-to-compensate-for-misaligned-sample-points/