https://wufanxin.github.io/ 2026-04-16 weekly 1.0 https://wufanxin.github.io/files/ordinals.pdf 2026-04-16 0.8 https://wufanxin.github.io/files/dst.pdf 2026-04-16 0.8 https://wufanxin.github.io/files/forcing.pdf 2026-04-16 0.8 https://wufanxin.github.io/files/cardinal%20arithmetic.pdf 2026-04-16 0.8 https://wufanxin.github.io/slides/skolem.pdf 2026-04-16 0.8 https://wufanxin.github.io/slides/word%20problem.pdf 2026-04-16 0.5 https://wufanxin.github.io/slides/fundamental%20group.pdf 2026-04-16 0.5 https://wufanxin.github.io/slides/Hilbert%27s%20tenth.pdf 2026-04-16 0.5 https://wufanxin.github.io/slides/amenable.pdf 2026-04-16 0.5 https://wufanxin.github.io/slides/I3%20slides.pdf 2026-04-16 0.5 https://wufanxin.github.io/slides/LE%20series.pdf 2026-04-16 0.5 https://wufanxin.github.io/slides/Weak%20Mordell%20Theorem.pdf 2026-04-16 0.5