#羣論
Live, measured metrics for the hashtag #羣論 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #羣論
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-08-24 20:50 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-08-24 20:50 UTCNo related tags with measured usage found for #羣論.
Live pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-08-24 20:50 UTCEverything below is measured over the latest 4 public posts (spanning ~12529 hours).
Posting hours (UTC)
Languages: Chinese (Taiwan) (3)
Avg boosts / post: 0
Top of the latest posts
🌘 布勞表示法對 n=4 辮羣的忠實性證明 ➤ 拓撲學界突破：n=4 辮羣布勞表示法的忠實性證實 ✤ https://arxiv.org/abs/2607.05283 這篇由 Vasudha Bharathram 等人發表的數學論文，成功解決了拓撲學界長久以來的懸案。研究團隊運用 Moody、Long、Long-Paton 及 Bigelow 等前人的理論架構，嚴謹地證明瞭經典辮羣（Braid Group）在 n=4 時的布勞表示法（Burau representation
🌘 美麗的阿貝爾沙堆 ➤ 探索迷人且對稱的數學模式 ✤ https://eavan.blog/posts/beautiful-sandpiles.html 這篇文章介紹了阿貝爾沙堆（Abelian Sandpiles）這個迷人的數學概念。作者從沙堆在網格上的基本規則——單元格沙粒超過一定數量會「崩塌」到鄰近單元格——開始解釋。核心在於「阿貝爾」的特性，意味著崩塌順序不會影響最終的穩定狀態，如同數字加法一樣具有交換律。文章透過互動式範例展示了這個特性，並連結到抽象代數和羣論。
🌗 什麼是李羣？ ➤ 連續對稱的奧祕：李羣的幾何與代數解析 ✤ https://www.quantamagazine.org/what-are-lie-groups-20251203/ 李羣是一種結合了羣論、幾何與線性代數的強大數學工具。它由挪威數學家索菲斯·李於19世紀70年代初創立，能描述連續對稱性，例如旋轉圓盤。與離散對稱性不同，李羣的元素可以連續變化，其結構可以被視為光滑連續的幾何形狀（流形）。這種幾何特性使得數學家能運用微積分和幾何工具來研究李羣，並透過其「李代數
#羣論 across platforms
every network with a public tag surfaceFollow #羣論 straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/羣論