<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"><url><loc>https://t-matsubara.pages.dev/</loc><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/"/></url><url><loc>https://t-matsubara.pages.dev/en/</loc><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/"/></url><url><loc>https://t-matsubara.pages.dev/en/about/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/about/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/about/"/></url><url><loc>https://t-matsubara.pages.dev/en/blog/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/blog/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/blog/"/></url><url><loc>https://t-matsubara.pages.dev/en/blog/welcome/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/blog/welcome/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/blog/welcome/"/></url><url><loc>https://t-matsubara.pages.dev/en/contact/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/contact/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/contact/"/></url><url><loc>https://t-matsubara.pages.dev/en/cv/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/cv/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/cv/"/></url><url><loc>https://t-matsubara.pages.dev/en/news/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/news/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/news/"/></url><url><loc>https://t-matsubara.pages.dev/en/publications/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/publications/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/publications/"/></url><url><loc>https://t-matsubara.pages.dev/en/publications/2025-attention-flow/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/publications/2025-attention-flow/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/publications/2025-attention-flow/"/></url><url><loc>https://t-matsubara.pages.dev/en/publications/2026-gradient-clipping/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/publications/2026-gradient-clipping/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/publications/2026-gradient-clipping/"/></url><url><loc>https://t-matsubara.pages.dev/en/talks/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/talks/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/talks/"/></url><url><loc>https://t-matsubara.pages.dev/ja/</loc><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/"/><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/"/></url><url><loc>https://t-matsubara.pages.dev/ja/about/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/about/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/about/"/></url><url><loc>https://t-matsubara.pages.dev/ja/blog/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/blog/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/blog/"/></url><url><loc>https://t-matsubara.pages.dev/ja/blog/welcome/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/blog/welcome/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/blog/welcome/"/></url><url><loc>https://t-matsubara.pages.dev/ja/contact/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/contact/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/contact/"/></url><url><loc>https://t-matsubara.pages.dev/ja/cv/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/cv/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/cv/"/></url><url><loc>https://t-matsubara.pages.dev/ja/news/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/news/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/news/"/></url><url><loc>https://t-matsubara.pages.dev/ja/publications/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/publications/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/publications/"/></url><url><loc>https://t-matsubara.pages.dev/ja/publications/2025-attention-flow/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/publications/2025-attention-flow/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/publications/2025-attention-flow/"/></url><url><loc>https://t-matsubara.pages.dev/ja/publications/2026-gradient-clipping/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/publications/2026-gradient-clipping/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/publications/2026-gradient-clipping/"/></url><url><loc>https://t-matsubara.pages.dev/ja/talks/</loc><xhtml:link rel="alternate" hreflang="en-US" href="https://t-matsubara.pages.dev/en/talks/"/><xhtml:link rel="alternate" hreflang="ja-JP" href="https://t-matsubara.pages.dev/ja/talks/"/></url></urlset>