HTTP/2 200 server: GitHub.com content-type: application/xml last-modified: Wed, 17 Dec 2025 02:52:23 GMT access-control-allow-origin: * etag: W/"69421ae7-235" expires: Mon, 29 Dec 2025 13:41:00 GMT cache-control: max-age=600 content-encoding: gzip x-proxy-cache: MISS x-github-request-id: 5022:2BC55:8DAC1E:9F0915:69528294 accept-ranges: bytes age: 0 date: Mon, 29 Dec 2025 13:31:00 GMT via: 1.1 varnish x-served-by: cache-bom-vanm7210032-BOM x-cache: MISS x-cache-hits: 0 x-timer: S1767015061.634533,VS0,VE204 vary: Accept-Encoding x-fastly-request-id: 2314c7c65813d9b3e75f5609441c9ae74e667e34 content-length: 335 Jekyll2025-12-16T21:51:51-05:00https://zaoxing.github.io/feed.xmlProfessor  Alan Zaoxing Liuzaoxing@umd.edu