{"component":{"type":17,"accent_color":3123338,"components":[{"type":10,"content":"-# WikiRNG · Roll of 11/3/2026 · by [DeathInBloom](https://wikirng.com/u/DeathInBloom)"},{"type":10,"content":"## [Invariant sigma-algebra](https://wikirng.com/roll/KF0ILL)\n*Sigma-algebra used in probability and ergodic theory*"},{"type":10,"content":">>> In mathematics, especially in probability theory and ergodic theory, the invariant sigma-algebra is a sigma-algebra formed by sets which are invariant under a group action or dynamical system. It can be interpreted as of being \"indifferent\" to the dynamics."},{"type":14,"divider":true,"spacing":1},{"type":10,"content":"### 🟩 Notable · 75,335 SP\n-# Top 28%"},{"type":10,"content":"*sigma-algebra*"},{"type":14,"divider":true,"spacing":1},{"type":10,"content":"🟦 ∑ **Problem Set** · Obscure · +49,632 SP\n-# Has 20+ math formulas.\n🟦 🧮 **Equation** · Obscure · +17,527 SP\n-# Has a math formula.\n🟩 🔓 **Free to Read** · Notable · +1,729 SP\n-# Cites a source that is free to read.\n🟩 🌲 **C-Class** · Notable · +1,140 SP\n-# Rated C.\n⬜ 🔁 **Broken Record** · Basic · +712 SP\n-# One letter appears 5+ times in the title.\n⬜ 🔬 **Peer Reviewed** · Basic · +699 SP\n-# Cites a journal article.\n-# +10 more badges"},{"type":14,"divider":true,"spacing":1},{"type":1,"components":[{"type":2,"style":5,"label":"View roll","url":"https://wikirng.com/roll/KF0ILL"},{"type":2,"style":5,"label":"Read on Wikipedia","url":"https://en.wikipedia.org/wiki/Invariant_sigma-algebra"}]},{"type":10,"content":"-# Article text from Wikipedia, CC BY-SA 4.0"}]}}