Eduard Study (March 23, 1862 in Coburg, Germany – January 6, 1930) was a 19th-century German mathematician known for work on invariant theory of ternary forms (1889) and for the study of spherical trigonometry. He also studied applications of group theory to complex numbers. The invention of the dual numbers is attributed to him.

Cited Publications

• Sphärische Trigonometrie, orthogonale Substitutionen, und elliptische Functionen: Eine Analytisch-Geometrische Untersuchung. Leipzig, Germany: Teubner, 1893
• Aeltere und neuere Untersuchungen uber Systeme complexer Zahlen Mathematical Papers Chicago Congress

External references

1862 births | 1930 deaths | 19th century mathematicians | 20th century mathematicians | German mathematicians