Karl Hessenberg
Encyclopedia
Karl Adolf Hessenberg was a German
mathematician
and engineer
. The Hessenberg matrix
form is named after him. However, Hessenberg sum and product of ordinals are named for the mathematician Gerhard Hessenberg
, a near relative.
Hessenberg was also the brother of composer Kurt Hessenberg
, and the great-grandson of doctor and author Heinrich Hoffmann
.
Germans
The Germans are a Germanic ethnic group native to Central Europe. The English term Germans has referred to the German-speaking population of the Holy Roman Empire since the Late Middle Ages....
mathematician
Mathematician
A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....
and engineer
Engineer
An engineer is a professional practitioner of engineering, concerned with applying scientific knowledge, mathematics and ingenuity to develop solutions for technical problems. Engineers design materials, structures, machines and systems while considering the limitations imposed by practicality,...
. The Hessenberg matrix
Hessenberg matrix
In linear algebra, a Hessenberg matrix is a special kind of square matrix, one that is "almost" triangular. To be exact, an upper Hessenberg matrix has zero entries below the first subdiagonal, and a lower Hessenberg matrix has zero entries above the first superdiagonal...
form is named after him. However, Hessenberg sum and product of ordinals are named for the mathematician Gerhard Hessenberg
Gerhard Hessenberg
Gerhard Hessenberg was a German mathematician. He received his Ph.D from the University of Berlin in 1899 under the guidance of Hermann Schwarz and Lazarus Fuchs...
, a near relative.
Hessenberg was also the brother of composer Kurt Hessenberg
Kurt Hessenberg
Kurt Hessenberg was a German composer and professor at the Hochschule für Musik und Darstellende Kunst in Frankfurt am Main.- Life :...
, and the great-grandson of doctor and author Heinrich Hoffmann
Heinrich Hoffmann (author)
Heinrich Hoffmann was a German psychiatrist, who also wrote some short works including Der Struwwelpeter, an illustrated book portraying children misbehaving.- Early life and education:...
.
External links
- Biography of Hessenberg by his daughter, Brigitte Bossert