Pappus
Encyclopedia
Pappus may refer to:
- Pappus (flower structure)Pappus (flower structure)The pappus is the modified calyx, the part of an individual disk, ray or ligule floret surrounding the base of the corolla, in flower heads of the plant family Asteraceae. The pappus may be composed of bristles , awns, scales, or may be absent. In some species, the pappus is too small to see...
, a type of flower structure - Pappus of AlexandriaPappus of AlexandriaPappus of Alexandria was one of the last great Greek mathematicians of Antiquity, known for his Synagoge or Collection , and for Pappus's Theorem in projective geometry...
, Greek mathematician- Pappus's hexagon theoremPappus's hexagon theoremIn mathematics, Pappus's hexagon theorem 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 aC, Bc and bC are collinear...
, often just called 'Pappus's theorem', a theorem named for Pappus of Alexandria - Pappus's centroid theoremPappus's centroid theoremIn mathematics, Pappus' centroid theorem is either of two related theorems dealing with the surface areas and volumes of surfaces and solids of revolution....
, another theorem named for Pappus of Alexandria
- Pappus's hexagon theorem
- Johannes Pappus (1549–1610), Lutheran theologist