What’s Going On in This Graph? | U.S. Population Diversity Shift How has the diversity of the population of the United States shifted from 2010 to 2020? By The Learning Network Jan. 13, 2022 ...

The graph on the left is two stars of three vertices each, and the graph on the right is three stars of two vertices each. Even the graph with no edges can be thought of as six stars of one vertex ...

Refining with colors Mathematicians have developed various strategies to compare graphs. Since the 1970s, algorithms have been able to test graph isomorphism, but in exponential time.

Graphs on Graphs In the mid-1980s, a Dutch physicist named Pieter Kasteleyn wanted to mathematically prove an assertion about how liquids flow throughout porous solids. His work led him to pose the ...

Graphs, Charts and Maps From “What’s Going On in This Graph?” (Sept. 2020 — May 2023) A slide show including some of our favorite graphs from the weekly “What’s Going On in This Graph ...