Tag: Mobius functions
- Sun 19 September 2021 - Order Ideals Form a Distributive Lattice - updated: Sun 02 April 2023
- Fri 30 September 2022 - Sperner's Theorem Finds the Largest Boolean Antichain
- Fri 10 October 2014 - Dilworth Decomposes a Poset by Its Width - updated: Mon 01 March 2021
- Tue 12 December 2017 - Hall's Condition Is a Set-System Inequality
- Wed 10 March 2010 - Möbius Functions Invert Sums over Poset Intervals - updated: Wed 18 February 2015