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Dowker Notation
Dowker is a surname. Notable people with the surname include: * Clifford Hugh Dowker (1912–1982), Canadian mathematician * Fay Dowker (born 1965), British physicist *Felicity Dowker, Australian fantasy writer * Hasted Dowker (1900–1986), Canadian Anglican priest *Ray Dowker (1919–2004), New Zealand cricketer * Yael Dowker (1919–2016), Israeli-English mathematician See also *Dowker Island, is an uninhabited island in Lake Saint Louis, a widening of the Saint Lawrence River south of Montreal Island, Quebec * Dowker notation, is mathematical notation *Dowker space In the mathematical field of general topology, a Dowker space is a topological space that is T4 but not countably paracompact. They are named after Clifford Hugh Dowker. The non-trivial task of providing an example of a Dowker space (and therefor ..., is mathematical field of general topology * The Haunting of Hewie Dowker, is an Australian film {{Surname ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clifford Hugh Dowker
Clifford Hugh Dowker (; March 2, 1912 – October 14, 1982) was a topologist known for his work in point-set topology and also for his contributions in category theory, sheaf theory and knot theory. Biography Clifford Hugh Dowker grew up on a small farm in Western Ontario, Canada. He excelled in mathematics and was paid to teach his math teacher math at his secondary school. He was awarded a scholarship at Western Ontario University, where he got his B.S. in 1933. He wanted to pursue a career as a teacher, but he was persuaded to continue with his education because of his extraordinary mathematical talent. He earned his M.A. from the University of Toronto in 1936 and his Ph.D. from Princeton University in 1938. His dissertation ''Mapping theorems in non-compact spaces'' was written under the supervision of Solomon Lefschetz and was published (with additions) in 1947 in the ''American Journal of Mathematics''. After earning his doctorate, Dowker became an instructor at the Weste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fay Dowker
Helen Fay Dowker (; born 9 September 1965) is a British physicist who is a current professor of theoretical physics at Imperial College London. Education Dowker attended Manchester High School for Girls. As a student, she was interested in wormholes and quantum cosmology. Having studied the Mathematical Tripos at the University of Cambridge, Dowker was awarded the Tyson Medal in 1987 and completed her Doctor of Philosophy for research on spacetime wormholes supervised by Stephen Hawking in 1990. Career and research Dowker completed postdoctoral research at Fermilab, at the University of California, Santa Barbara and also the California Institute of Technology. Until 2003, Dowker was a lecturer at Queen Mary University of London. She is currently a professor of Theoretical Physics and a member of the Theoretical Physics Group at Imperial College London and a Visiting Fellow at the Perimeter Institute. She conducts research in a number of areas of theoretical physics including ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Felicity Dowker
Felicity Dowker is a speculative fiction writer from Victoria, Australia. She is predominantly recognised as a writer in the horror genre. In 2009, she won the Ditmar Award (Australian SF Award) for Best New Talent. Her story "Jesse's Gift" was nominated for the Aurealis Award for Horror Short Story. Dowker's stories have appeared in a number of Australian publications including Borderlands, Aurealis and Andromeda Spaceways Inflight Magazine. One story in particular, "Bread and Circuses", was the recipient of positive reviews after appearing in the ''Scary Kisses'' anthology, and was described in ''Scoop magazine'' as one of the highlights of the collection. Her story, "Bread and Circuses" is a finalist for the 2010 Ditmar Award for Short Fiction as well as the 2010 Australian Shadows Award The Australian Shadows Awards are annual literary awards established by the Australian Horror Writers Association (AHWA) in 2005 to honour the best published works of horror fiction wri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hasted Dowker
George Hasted Dowker (27 February 1900 – 4 April 1986) was Dean of Montreal from 1953 to 1960. He was the son of English-born James Dowker of Winnipeg, educated at the University of Manitoba and ordained in 1927. His early career was in Vancouver. Later he was Rector of Holy Trinity Cathedral, New Westminster. In 1944 he became Rector of Grace Church-on-the-Hill, Toronto, and was subsequently Dean of Christ Church Cathedral in Montreal. He held further incumbencies in Winnipeg and Toronto before his time as Dean. After this he was Archdeacon of Bow Valley Bow Valley is a valley located along the upper Bow River in Alberta, Canada. The name "Bow" refers to the reeds that grew along its banks and which were used by the local First Nations people to make bows; the Blackfoot language name for th ... from 1960 to 1966. He died in Victoria, British Columbia, on 4 April 1986 and was buried in the Royal Oak Burial Park, Saanich, B.C. He married Eva Ross McNaught on October 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ray Dowker
Raymond Thomas Dowker (6 July 1919 – 17 December 2004) was a New Zealand cricketer who played first-class cricket for Canterbury between 1949 and 1957. A right-handed batsman, Dowker played 24 games – scoring 1,147 runs at 30.18 including one century, 122 against Auckland on 7 January 1955. Born in New Brighton, in Christchurch, Canterbury, New Zealand, he was one of the ''New Zealand Cricket Almanack'' Players of the Year for 1955. With 366 runs at an average of 45.75, he was the highest scorer in the Plunket Shield in the 1954–55 season. In 1955-56 he captained Canterbury to outright victory in all four of their Plunket Shield matches, thus winning the trophy.A. D. Davidson, "The Plunket Shield, 1955-56", ''The Cricketer'', 28 April 1956, pp. 122–24. Dowker was also a successful football player and won the 1945 Chatham Cup with Western AFC Western A.F.C. is a semi-professional association football club in Christchurch, New Zealand. They compete in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yael Dowker
Yael Naim Dowker (1919–2016) was an English mathematician, prominent especially due to her work in the fields of measure theory, ergodic theory and topological dynamics. Biography Yael Naim (later Dowker) was born in Tel Aviv. She left for the United States to study at Johns Hopkins University in Baltimore, Maryland. In 1941, as a graduate student, she met Clifford Hugh Dowker, a Canadian topologist working as an instructor there. The couple married in 1944. From 1943 to 1946 they worked together at the Radiation Laboratory at Massachusetts Institute of Technology. Clifford also worked as a civilian adviser for the United States Air Force during World War II. Dowker did her doctorate at Radcliffe College (in Cambridge, Massachusetts) under Witold Hurewicz (a Polish mathematician known for the Hurewicz theorem). She published her thesis ''Invariant measure and the ergodic theorems'' in 1947 and received her Ph.D in 1948. In the period between 1948 and 1949, she did post-do ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dowker Island
Dowker Island is an uninhabited island in Lake Saint Louis, a widening of the Saint Lawrence River south of Montreal Island, Quebec. It is in the municipality of Notre-Dame-de-l'Île-Perrot which intends to preserve its natural state. The island is about a kilometre in length and breadth. Its surface geology is undifferentiated till deposits. It is low-lying, mostly in a 100-year flood area, and contains a muskrat habitat. History Then known as one of the îles Sainte-Geneviève (now Dowker, Madore, and Daoust), the island was granted to governor of Montreal François-Marie Perrot by Jean Talon, in 1672, along with the île Perrot. It was acquired in 1897 by Leslie Rose Dowker (unknown-1945), who shortly afterward became Mayor of Sainte-Anne-du-Bout-de-l'Île, now known as Sainte-Anne-de-Bellevue. It is the site of a ruined stone house as well as a former navigational aid Navigation is a field of study that focuses on the process of monitoring and controlling the movemen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dowker Notation
Dowker is a surname. Notable people with the surname include: * Clifford Hugh Dowker (1912–1982), Canadian mathematician * Fay Dowker (born 1965), British physicist *Felicity Dowker, Australian fantasy writer * Hasted Dowker (1900–1986), Canadian Anglican priest *Ray Dowker (1919–2004), New Zealand cricketer * Yael Dowker (1919–2016), Israeli-English mathematician See also *Dowker Island, is an uninhabited island in Lake Saint Louis, a widening of the Saint Lawrence River south of Montreal Island, Quebec * Dowker notation, is mathematical notation *Dowker space In the mathematical field of general topology, a Dowker space is a topological space that is T4 but not countably paracompact. They are named after Clifford Hugh Dowker. The non-trivial task of providing an example of a Dowker space (and therefor ..., is mathematical field of general topology * The Haunting of Hewie Dowker, is an Australian film {{Surname ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dowker Space
In the mathematical field of general topology, a Dowker space is a topological space that is T4 but not countably paracompact. They are named after Clifford Hugh Dowker. The non-trivial task of providing an example of a Dowker space (and therefore also proving their existence as mathematical objects) helped mathematicians better understand the nature and variety of topological spaces. Equivalences Dowker showed, in 1951, the following: If ''X'' is a normal T1 space (that is, a T4 space), then the following are equivalent: * ''X'' is a Dowker space * The product of ''X'' with the unit interval is not normal. * ''X'' is not countably metacompact. Dowker conjectured that there were no Dowker spaces, and the conjecture was not resolved until Mary Ellen Rudin constructed one in 1971. Rudin's counterexample is a very large space (of cardinality \aleph_\omega^). Zoltán Balogh gave the first ZFC construction of a small (cardinality continuum) example, which was more well-behaved ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
