<?xml version="1.0" encoding="UTF-8"?> <urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"> <url> <loc>https://jasonzeshengchen.github.io/news/announcement_20250228/</loc> <lastmod>2025-02-28T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/news/announcement_20250727/</loc> <lastmod>2025-07-27T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/news/announcement_20250805/</loc> <lastmod>2025-08-05T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/news/announcement_20250918/</loc> <lastmod>2025-09-18T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/news/announcement_20260219/</loc> <lastmod>2026-02-19T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/news/announcement_20260223/</loc> <lastmod>2026-02-23T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2021/wellordering-of-reals-unmeasurable/</loc> <lastmod>2021-08-23T15:12:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2022/what-is-difficult-about-forcing/</loc> <lastmod>2022-01-20T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2022/hjorth-handbook-remark/</loc> <lastmod>2022-09-02T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2023/three-proofs-of-incomp-Turing-degrees/</loc> <lastmod>2023-04-17T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2023/reals-in-a-model-null/</loc> <lastmod>2023-09-26T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2023/nonisomorphic-linear-order-nonstandard-models/</loc> <lastmod>2023-10-29T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2024/coanalytic-thin-sets-and-constructibility/</loc> <lastmod>2024-12-07T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2025/blackwell-game-proof-luzin-separation/</loc> <lastmod>2025-08-16T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2025/luzin-sierpinski-ordering-origin/</loc> <lastmod>2025-09-14T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2025/comeager-null-set-applications/</loc> <lastmod>2025-12-05T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2025/alternative-proofs-of-analytic-measurability/</loc> <lastmod>2025-12-09T00:00:00+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/projects/alfolio1_project/</loc> <lastmod>2026-04-03T01:44:33+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/projects/alfolio2_project/</loc> <lastmod>2026-04-03T01:44:33+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/projects/alfolio3_project/</loc> <lastmod>2026-04-03T01:44:33+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/projects/alfolio4_project/</loc> <lastmod>2026-04-03T01:44:33+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/projects/alfolio5_project/</loc> <lastmod>2026-04-03T01:44:33+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/projects/alfolio6_project/</loc> <lastmod>2026-04-03T01:44:33+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/research/DST_history/</loc> <lastmod>2026-04-03T01:44:33+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/research/confluence_arguments/</loc> <lastmod>2026-04-03T01:44:33+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/research/metamathematical_methods/</loc> <lastmod>2026-04-03T01:44:33+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/teaching/Fudan2022/</loc> <lastmod>2026-04-03T01:44:33+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/teaching/LevySolovayREU2021/</loc> <lastmod>2026-04-03T01:44:33+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/chinese-notes/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/cv/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/_pages/dropdown/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/news/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/notes/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/portfolio/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/presentations/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/projects/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/publications/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/repositories/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/research/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/_pages/research_dropdown/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/teaching/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/tag/math/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/tag/set-theory/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/tag/measure-and-category/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/tag/expository/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/tag/lolbvious/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/tag/descriptive-set-theory/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/tag/games/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/tag/history/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/tag/forcing/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/tag/recursion-theory/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2021/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2022/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2023/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2024/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/blog/2025/</loc> </url> <url> <loc>https://jasonzeshengchen.github.io/chinese-notes/fudan_forcing_seminar_July22.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/chinese-notes/infinity_paradox_chinese.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/notes/April_13_2023_Perfect_set_theorems_LPS206.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/notes/Fudan_Summer_2022_Prereq.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/notes/LPS30_decision_tree.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/notes/Measurable_Cardinal_Elem_Emb.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/notes/Nov_22_2022_Sigma11_normal_form_norms_prewellorderings.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/notes/forcing_ground_axiom.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/notes/intro_to_inaccessibility.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/notes/largest_thin_set_as_a_sharp.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/notes/mouse_set_capturing.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/notes/no_borel_2_coloring.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/presentations/Chen_2026_ASL_Central_APA.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/presentations/infinity_paradox_chinese.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/presentations/justification_by_confluence_pku_2024.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/presentations/metamath_in_DST_Fudan_2024.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/presentations/practical_CTT_APA_Central_2025.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> <url> <loc>https://jasonzeshengchen.github.io/presentations/prehistory_IDST_Fudan_2024.pdf</loc> <lastmod>2026-04-03T01:43:41+00:00</lastmod> </url> </urlset>