'Feasible sets' presentation slideshows

886 views • 68 slides

Combinatorial insights into distributions of wealth, size, and abundance

Combinatorial insights into distributions of wealth, size, and abundance. Ken Locey. Rank-abundance curve (RAC). Species abundance distribution (SAD). Frequency distribution. frequency. Abundance. Rank in abundance. Abundance class. Ranked curve ( RC ).

914 views • 65 slides

Accessible Set Systems

Accessible Set Systems. Andreas Klappenecker. Matroid. Let S be a finite set, and F a nonempty family of subsets of S, that is, F ? P(S). We call (S,F) a matroid if and only if M1) If B?F and A ? B, then A?F. [The family F is called hereditary ]

324 views • 20 slides