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Jakob Rosanes was a German
mathematicianA mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....
who worked on
algebraic geometryAlgebraic geometry is a branch of mathematics which combines techniques of abstract algebra, especially commutative algebra, with the language and the problems of geometry. It occupies a central place in modern mathematics and has multiple conceptual connections with such diverse fields as complex...
and
invariant theoryInvariant theory is a branch of abstract algebra dealing with actions of groups on algebraic varieties from the point of view of their effect on functions...
. He was also a
chess masterA chess master is a chess player of such skill that he/she can usually beat chess experts, who themselves typically prevail against most amateurs. Among chess players, the term is often abbreviated to master, the meaning being clear from context....
.
Rosanes studied at University of Berlin and the University of Breslau. He obtained his
doctorateA doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder to teach in a specific field, A doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder...
from Breslau (Wrocław) in 1865 and taught there for the rest of his working life. He became
professorA professor is a scholarly teacher; the precise meaning of the term varies by country. Literally, professor derives from Latin as a "person who professes" being usually an expert in arts or sciences; a teacher of high rank...
in 1876 and
rectorThe word rector has a number of different meanings; it is widely used to refer to an academic, religious or political administrator...
of the university during the years 1903–1904.
Rosanes made significant contributions in
Cremona transformationIn mathematics, in birational geometry, the Cremona group of order n over a field k is the group of birational automorphisms of the ndimensional projective space over k...
s.
Notable chess games
 Jakob Rosanes vs Adolf Anderssen, Breslau 1862, Spanish Game: Berlin Defense. Rio Gambit Accepted (C67), 10 Sometimes, Rosanes was able to beat even one of the best masters of his time, Adolf Anderssen
Karl Ernst Adolf Anderssen was a German chess master. He is considered to have been the world's leading chess player in the 1850s and 1860s...
...
 Jakob Rosanes vs Adolf Anderssen, Breslau, 1863, King's Gambit: Accepted. Kieseritsky Gambit Anderssen Defense (C39), 01 ...but as shows this beautiful game, the opposite result was probably quite usual in their games.
External links