Ryszard Syski
Encyclopedia
Ryszard Syski was a Polish
-American
mathematician whose research was in queueing theory
.
During World War II
he was in the Armia Krajowa
with his parents, partaking in the Warsaw uprising
, being imprisoned in Lamsdorf, Silesia
and Bavaria
(1944), and joining the Polish Second Corps for fights in Italy
(1945).
His studies in mathematics started in London
, at the Polish University Abroad
(1946). He
joined Automatic Telephone and Electric Co. in London (1952).
He got his B.Sc. (1954) and Ph.D.
(1961) at University of London
, on the dissertation
Stochastic Process in Banach space
and its Applications to Congestion Theory.
Encouraged by Thomas L. Saaty he moved to College Park, Maryland
, joining the mathematics faculty of University of Maryland
(1961-1999),
founded the journal Stochastic Processes and Their Applications (1973)
and was fellow of the Institute of Mathematical Statistics.
Syski wrote over forty journal articles, often collaborating with notables such as
Félix Pollaczek
,
Lajos Takács
,
Julian Keilson
and
Wim Cohen
.
Syski died of complications from a brain injury received during a fall.
Poles
thumb|right|180px|The state flag of [[Poland]] as used by Polish government and diplomatic authoritiesThe Polish people, or Poles , are a nation indigenous to Poland. They are united by the Polish language, which belongs to the historical Lechitic subgroup of West Slavic languages of Central Europe...
-American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
mathematician whose research was in queueing theory
Queueing theory
Queueing theory is the mathematical study of waiting lines, or queues. The theory enables mathematical analysis of several related processes, including arriving at the queue, waiting in the queue , and being served at the front of the queue...
.
During World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...
he was in the Armia Krajowa
Armia Krajowa
The Armia Krajowa , or Home Army, was the dominant Polish resistance movement in World War II German-occupied Poland. It was formed in February 1942 from the Związek Walki Zbrojnej . Over the next two years, it absorbed most other Polish underground forces...
with his parents, partaking in the Warsaw uprising
Warsaw Uprising
The Warsaw Uprising was a major World War II operation by the Polish resistance Home Army , to liberate Warsaw from Nazi Germany. The rebellion was timed to coincide with the Soviet Union's Red Army approaching the eastern suburbs of the city and the retreat of German forces...
, being imprisoned in Lamsdorf, Silesia
Silesia
Silesia is a historical region of Central Europe located mostly in Poland, with smaller parts also in the Czech Republic, and Germany.Silesia is rich in mineral and natural resources, and includes several important industrial areas. Silesia's largest city and historical capital is Wrocław...
and Bavaria
Bavaria
Bavaria, formally the Free State of Bavaria is a state of Germany, located in the southeast of Germany. With an area of , it is the largest state by area, forming almost 20% of the total land area of Germany...
(1944), and joining the Polish Second Corps for fights in Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...
(1945).
His studies in mathematics started in London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...
, at the Polish University Abroad
Polish University Abroad
The Polish University Abroad, or Polish University in Exile , was initially established in Paris, France, in 1939 with the aim of maintaining Polish education while Poland was occupied. With the fall of France, it was re-established by the Polish government in exile in London, England.The Polish...
(1946). He
joined Automatic Telephone and Electric Co. in London (1952).
He got his B.Sc. (1954) and Ph.D.
Ph.D.
A Ph.D. is a Doctor of Philosophy, an academic degree.Ph.D. may also refer to:* Ph.D. , a 1980s British group*Piled Higher and Deeper, a web comic strip*PhD: Phantasy Degree, a Korean comic series* PhD Docbook renderer, an XML renderer...
(1961) at University of London
University of London
-20th century:Shortly after 6 Burlington Gardens was vacated, the University went through a period of rapid expansion. Bedford College, Royal Holloway and the London School of Economics all joined in 1900, Regent's Park College, which had affiliated in 1841 became an official divinity school of the...
, on the dissertation
Stochastic Process in Banach space
Banach space
In mathematics, Banach spaces is the name for complete normed vector spaces, one of the central objects of study in functional analysis. A complete normed vector space is a vector space V with a norm ||·|| such that every Cauchy sequence in V has a limit in V In mathematics, Banach spaces is the...
and its Applications to Congestion Theory.
Encouraged by Thomas L. Saaty he moved to College Park, Maryland
College Park, Maryland
College Park is a city in Prince George's County, Maryland, USA. The population was 30,413 at the 2010 census. It is best known as the home of the University of Maryland, College Park, and since 1994 the city has also been home to the "Archives II" facility of the U.S...
, joining the mathematics faculty of University of Maryland
University of Maryland, College Park
The University of Maryland, College Park is a top-ranked public research university located in the city of College Park in Prince George's County, Maryland, just outside Washington, D.C...
(1961-1999),
founded the journal Stochastic Processes and Their Applications (1973)
and was fellow of the Institute of Mathematical Statistics.
Syski wrote over forty journal articles, often collaborating with notables such as
Félix Pollaczek
Felix Pollaczek
Félix Pollaczek was an Austrian-French engineer and mathematician, known for numerous contributions to number theory, mathematical analysis, mathematical physics and probability theory...
,
Lajos Takács
Lajos Takács
Lajos Takács is a Hungarian mathematician, known for his contributions to probability theory and in particular, queueing theory. He wrote over two hundred scientific papers and six books....
,
Julian Keilson
Julian Keilson
Julian Keilson was an Americanmathematician.He was known for his work in probability theory. His work in survival analysis is relevant to many fields, e.g., medical research, parts supply, asset depreciation, rental pricing, etc.He got his B.Sc. in physics from Brooklyn College,and M.Sc. and...
and
Wim Cohen
Wim Cohen
Jacob Willem "Wim" Cohen was a Dutch mathematician, well known for over hundred scientific publications and several books in queueing theory....
.
Syski died of complications from a brain injury received during a fall.
Books
- Introduction to congestion theory in telephone systems (North-Holland, 1960)
- Passage times for Markov chainMarkov chainA Markov chain, named after Andrey Markov, is a mathematical system that undergoes transitions from one state to another, between a finite or countable number of possible states. It is a random process characterized as memoryless: the next state depends only on the current state and not on the...
s (1992)