Person: Lah, Ivo
Ivo Lah was a Slovenian mathematician and actuary who wworked in both matematics and statistics.
Mathematical Profile (Excerpt):
- Before finishing high school Ivo Lah volunteered for the Austro-Hungarian army to defend the western borders of Slovenia.
- As a representative of the Society of Actuaries of the Kingdom of Yugoslavia Ivo Lah attended the International Congress of Actuaries in Rome (1934) and in Paris (1937).
- Due to his scientific publications Ivo Lah became a correspondent of member of several international institutions from Portugal, Switzerland, Belgium, Italy, Germany and France.
- Since 1932 when Ivo Lah became in charge of Statistics of Social Security in Slovenia he connected his work with studies at the University of Ljubljana.
- Ivo Lah worked in practical Demographics and Statistics.
- His main work is a trilingual book "Racunske osnovice zivotnog osiguranja" Ⓣ(Basic life insurance calculation) written in Croatian, Russian and French and published in Zagreb in 1947.
- Ivo Lah was able to save some copies of the book.
- Ivo Lah was a prolific writer and he published several hundred newspaper articles.
- His most important mathematical result, published in 1955, is the so-called "Lah identity" where he shows how the rising powers can be expressed in terms of falling powers.
- The unsigned Lah numbers L(n,k)L(n, k)L(n,k) have an interesting combinatorial interpretation.
Born 5 September 1896, Strukljeva vas near Cerknica, Austrian Empire (now Slovenia). Died 23 March 1979, Ljubljana, Yugoslavia (now Slovenia).
View full biography at MacTutor
Tags relevant for this person:
Adapted from other CC BY-SA 4.0 Sources:
- O’Connor, John J; Robertson, Edmund F: MacTutor History of Mathematics Archive