Pappus may refer to:
*
Pappus (botany)
In Asteraceae, the pappus is the modified calyx, the part of an individual floret, that surrounds the base of the corolla tube in flower. It functions as a wind-dispersal mechanism for the seeds. The term is sometimes used for similar s ...
, a structure within certain flowers
*
''Pappus'' (bug), a genus of insects in the tribe
Mirini
Mirini is a tribe of plant bugs belonging to the subfamily Mirinae.
Genera
'' Acanthocranella'' - '' Acanthopeplus'' - '' Actinonotus'' - '' Adelphocoridea'' - ''Adelphocoris'' - '' Adelphocorisella'' - '' Adnotholopus'' - '' Adphytocoris'' - ...
*
Pappus of Alexandria
Pappus of Alexandria (; grc-gre, Πάππος ὁ Ἀλεξανδρεύς; AD) was one of the last great Greek mathematicians of antiquity known for his ''Synagoge'' (Συναγωγή) or ''Collection'' (), and for Pappus's hexagon theorem i ...
, Greek mathematician
**
Pappus's hexagon theorem
In mathematics, Pappus's hexagon theorem (attributed to Pappus of Alexandria) states that
*given one set of collinear points A, B, C, and another set of collinear points a,b,c, then the intersection points X,Y,Z of line pairs Ab and aB, Ac and ...
, often just called 'Pappus's theorem', a theorem named for Pappus of Alexandria
**
Pappus's centroid theorem
In mathematics, Pappus's centroid theorem (also known as the Guldinus theorem, Pappus–Guldinus theorem or Pappus's theorem) is either of two related theorems dealing with the surface areas and volumes of surfaces and solids of revolution.
The ...
, another theorem named for Pappus of Alexandria
**
Pappus configuration
In geometry, the Pappus configuration is a configuration of nine points and nine lines in the Euclidean plane, with three points per line and three lines through each point.
History and construction
This configuration is named after Pappus of ...
, a geometric configuration related to 'Pappus's theorem'
**
Pappus graph
In the mathematical field of graph theory, the Pappus graph is a bipartite 3- regular undirected graph with 18 vertices and 27 edges, formed as the Levi graph of the Pappus configuration. It is named after Pappus of Alexandria, an ancient Greek ...
, a
graph
Graph may refer to:
Mathematics
*Graph (discrete mathematics), a structure made of vertices and edges
**Graph theory, the study of such graphs and their properties
*Graph (topology), a topological space resembling a graph in the sense of discre ...
related to the pappus configuration
See also
*
Papus (disambiguation)
{{disambiguation