PlanetMath (more info)
 Math for the people, by the people. Sponsor PlanetMath
Encyclopedia | Requests | Forums | Docs | Wiki | Random | RSS  
Login
create new user
name:
pass:
forget your password?
Main Menu
sections
Encyclopædia
Papers
Books
Expositions

meta
Requests (236)
Orphanage
Unclass'd (1)
Unproven (540)
Corrections (46)
Classification

talkback
Polls
Forums
Feedback
Bug Reports

downloads
Snapshots
PM Book

information
News
Docs
Wiki
ChangeLog
TODO List
Copyright
About
Owner confidence rating: High Entry average rating: No information on entry rating
$\mathbf{ab}$-index of graded posets (Topic)

Anyone with an account can edit this entry. Please help improve it!

"$\mathbf{ab}$-index of graded posets" is owned by mps.
(view preamble | get metadata)

View style:

Other names:  ab-index, cd-index, $\mathbf{ab}$-index, $\mathbf{cd}$-index
Log in to rate this entry.
(view current ratings)

Cross-references: maximal element, Boolean algebra, terms, relations, polytope, convex, poset, variables, summing, elements, incident, vertex, edges, vertices, atoms, lattice, face, simple, chain, weight, formula, free associative algebra, polynomial, noncommutative, ring, coefficients, rank function, rank, graded poset
There are 2 references to this entry.

This is version 3 of $\mathbf{ab}$-index of graded posets, born on 2006-03-17, modified 2007-03-07.
Object id is 7737, canonical name is MathbfabIndexOfGradedPosets.
Accessed 3438 times total.

Classification:
AMS MSC: 06A07 (Order, lattices, ordered algebraic structures :: Ordered sets :: Combinatorics of partially ordered sets)
Pending Errata and Addenda
None.
Discussion
Style: Expand: Order:
forum policy

No messages.

Interact
post | correct | update request | add example | add (any)