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Interview with Robert Tarjan at DIKU
Interview with Robert Tarjan at DIKU
Published: 2015/04/22
Channel: DIKU - Datalogisk Institut, Københavns Universitet
DIKU Talk:
DIKU Talk: 'Simple Algorithms Whose Analysis Isn't' by Robert Tarjan
Published: 2015/04/22
Channel: DIKU - Datalogisk Institut, Københavns Universitet
An Algorithmic View of the Universe
An Algorithmic View of the Universe
Published: 2013/01/23
Channel: Association for Computing Machinery (ACM)
4th HLF - Lecture: Robert Tarjan
4th HLF - Lecture: Robert Tarjan
Published: 2016/09/23
Channel: Heidelberg Laureate Forum
Robert Tarjan: Search Tree Mysteries
Robert Tarjan: Search Tree Mysteries
Published: 2012/08/24
Channel: princetonacademics
Rice CS Colloquium: Robert Tarjan, 09/30/2016
Rice CS Colloquium: Robert Tarjan, 09/30/2016
Published: 2016/10/01
Channel: Rice CS GSA
Greystoke: Legend of Tarzan (6/7) Movie CLIP - Tarzan & Jane (1984) HD
Greystoke: Legend of Tarzan (6/7) Movie CLIP - Tarzan & Jane (1984) HD
Published: 2016/07/27
Channel: Movieclips
Fibonacci heap
Fibonacci heap
Published: 2015/10/25
Channel: Audiopedia
Greystoke: Legend of Tarzan (1/7) Movie CLIP - Razor and Mirror (1984) HD
Greystoke: Legend of Tarzan (1/7) Movie CLIP - Razor and Mirror (1984) HD
Published: 2016/07/27
Channel: Movieclips
Tarjan
Tarjan
Published: 2016/12/27
Channel: varam
Jungle Tales of Tarzan - FULL Audio Book - by Edgar Rice Burroughs (1875-1950)
Jungle Tales of Tarzan - FULL Audio Book - by Edgar Rice Burroughs (1875-1950)
Published: 2013/01/02
Channel: GreenAudioBooks
An Algorithmic View of the Universe
An Algorithmic View of the Universe
Published: 2016/11/19
Channel: Christine Mclaughlin
Seaholm High School
Seaholm High School's Tarzan, Saturday March 8th, 2014
Published: 2014/03/30
Channel: Eliana Barwinski
Fibonacci Heap - An efficient priority Queue data structure (Introduction)
Fibonacci Heap - An efficient priority Queue data structure (Introduction)
Published: 2017/02/11
Channel: StudyKorner
Puentes de un Grafo: Algoritmo de Tarjan
Puentes de un Grafo: Algoritmo de Tarjan
Published: 2016/10/29
Channel: Tutorías con Ingenio Universidad Nacional
THE LEGEND OF TARZAN - Official Trailer 2
THE LEGEND OF TARZAN - Official Trailer 2
Published: 2016/03/17
Channel: Warner Bros. Pictures
Victor Tarjan
Victor Tarjan
Published: 2014/11/14
Channel: Gregor Tarjan
Trailer: Tarzan 3D (2013) HD
Trailer: Tarzan 3D (2013) HD
Published: 2014/02/04
Channel: Roby Sax
tarjan mjc
tarjan mjc
Published: 2012/08/21
Channel: Ajay Agroiya
The Legend of Tarzan Official Teaser Trailer #1 (2016) - Alexander Skarsgård, Margot Robbie Movie HD
The Legend of Tarzan Official Teaser Trailer #1 (2016) - Alexander Skarsgård, Margot Robbie Movie HD
Published: 2015/12/10
Channel: Movieclips Trailers
Tarjan
Tarjan's Algorithm Finding Bridges in less than 6 MINUTES!
Published: 2016/03/04
Channel: Aleksandar Abas
Strongly Connected Components Tutorial
Strongly Connected Components Tutorial
Published: 2015/04/01
Channel: Michael Mroczka
CACM August 2014 Feature Video Efficient Maximum Flow Algorithms
CACM August 2014 Feature Video Efficient Maximum Flow Algorithms
Published: 2014/08/07
Channel: Association for Computing Machinery (ACM)
Puentes de un Grafo: Árbol de Expansión
Puentes de un Grafo: Árbol de Expansión
Published: 2016/10/29
Channel: Tutorías con Ingenio Universidad Nacional
Tarjan the wonder car
Tarjan the wonder car
Published: 2017/03/05
Channel: GHANSHYAM GEHLOT
MOV 2405
MOV 2405
Published: 2016/10/07
Channel: Robert Tarjan
Enthiran Full Movie India (Robot) Lucu
Enthiran Full Movie India (Robot) Lucu
Published: 2016/06/19
Channel: Isa Bhontot
Trailer - Tarzan the Ape Man (1959)
Trailer - Tarzan the Ape Man (1959)
Published: 2008/04/19
Channel: pwgr2000
Timelaspe #5 - Tarján City
Timelaspe #5 - Tarján City
Published: 2016/04/19
Channel: Robert Fiko
Honest Trailers - The Jungle Book (2016)
Honest Trailers - The Jungle Book (2016)
Published: 2016/08/23
Channel: Screen Junkies
A New Approach to Incremental Cycle Detection and Related Problems By Prof. Manoj Gupta
A New Approach to Incremental Cycle Detection and Related Problems By Prof. Manoj Gupta
Published: 2017/01/31
Channel: IIT Gandhinagar
100 bolha
100 bolha
Published: 2016/01/30
Channel: Various Artists - Topic
Iskolai praktikák - diákoknak
Iskolai praktikák - diákoknak
Published: 2012/02/21
Channel: Robert Nasztor
MAGIC ROBOT | Hindi Film | HD Full Movie | Baby Keerthika | Ramya Krishnan
MAGIC ROBOT | Hindi Film | HD Full Movie | Baby Keerthika | Ramya Krishnan
Published: 2013/10/03
Channel: WAMIndiaMovies
Frozen "In Summer" Song - Sing-a-long with Olaf - Official | HD
Frozen "In Summer" Song - Sing-a-long with Olaf - Official | HD
Published: 2013/11/13
Channel: Disney UK
Tarzan Rap Star Gengsta Gengsta (OFFICIAL MUSIC VIDEO)
Tarzan Rap Star Gengsta Gengsta (OFFICIAL MUSIC VIDEO)
Published: 2012/09/26
Channel: Tarzan Cnoli
THE LEGEND OF TARZAN Official Trailer #2 (2016) Margot Robbie Action Movie HD
THE LEGEND OF TARZAN Official Trailer #2 (2016) Margot Robbie Action Movie HD
Published: 2016/03/17
Channel: JoBlo Movie Trailers
Tarzan 3D - Official Trailer
Tarzan 3D - Official Trailer
Published: 2013/11/21
Channel: Constantin Film
Tarzan Official Trailer #1 (2013) - Motion Capture Movie HD
Tarzan Official Trailer #1 (2013) - Motion Capture Movie HD
Published: 2012/10/12
Channel: Movieclips Trailers
Búcsúbál Szomoron 2016 - Tarianer Spitzbuam
Búcsúbál Szomoron 2016 - Tarianer Spitzbuam
Published: 2017/01/30
Channel: Somorer Tanzgruppe
Ayesha Takia , Vatsal Sheth , Amrish Puri , Rajpal Yadav , Comedy Scene Taarzan: The Wonde
Ayesha Takia , Vatsal Sheth , Amrish Puri , Rajpal Yadav , Comedy Scene Taarzan: The Wonde
Published: 2016/12/29
Channel: Robert Elena
AS YOU LIKE IT Trailer - Michigan Shakespeare Festival 2016
AS YOU LIKE IT Trailer - Michigan Shakespeare Festival 2016
Published: 2016/07/12
Channel: David Blixt
OSCON 2014: Include Hack - HHVM - PHP++; Paul Tarjan, Sara Golemon
OSCON 2014: Include Hack - HHVM - PHP++; Paul Tarjan, Sara Golemon
Published: 2014/09/04
Channel: Facebook Developers
COVERSHOW -The Fashion Musical, Belvarosi theatre, 2006
COVERSHOW -The Fashion Musical, Belvarosi theatre, 2006
Published: 2010/09/13
Channel: Robert B Suda
DÁVID KIRÁLY ZSOLTÁRAI KLEZMERBE ÖLTÖZTETVE
DÁVID KIRÁLY ZSOLTÁRAI KLEZMERBE ÖLTÖZTETVE
Published: 2012/09/14
Channel: keresztenytvhu
The Killer Angels - "Dixie" Trailer
The Killer Angels - "Dixie" Trailer
Published: 2016/07/15
Channel: David Blixt
Az Éhezők Viadala: A kiválasztott - 2. rész - magyar szinkronos előzetes #2 (12E)
Az Éhezők Viadala: A kiválasztott - 2. rész - magyar szinkronos előzetes #2 (12E)
Published: 2015/07/17
Channel: Mozi Mánia TV
Michael Goodson
Michael Goodson
Published: 2013/02/20
Channel: TheHoldingCoat1
Trailer Tarzan 3D
Trailer Tarzan 3D
Published: 2013/11/22
Channel: Trailer de Filme
RICHARD II Trailer - Michigan Shakespeare Festival 2016
RICHARD II Trailer - Michigan Shakespeare Festival 2016
Published: 2016/07/15
Channel: David Blixt
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Robert Endre Tarjan
Bob Tarjan.jpg
Born (1948-04-30) April 30, 1948 (age 69)
Pomona, California
Fields Computer Science
Institutions Cornell
Berkeley
Stanford University
New York University
Princeton University
Hewlett-Packard
Microsoft
Intertrust
Alma mater Caltech
Stanford
Thesis An Efficient Planarity Algorithm (1972)
Known for Algorithms and data structures
Notable awards Nevanlinna Prize (1982)
Turing Award (1986)
Paris Kanellakis Award (1999)

Robert Endre Tarjan (born April 30, 1948) is an American computer scientist and mathematician. He is the discoverer of several graph algorithms, including Tarjan's off-line lowest common ancestors algorithm, and co-inventor of both splay trees and Fibonacci heaps. Tarjan is currently the James S. McDonnell Distinguished University Professor of Computer Science at Princeton University, and the Chief Scientist at Intertrust Technologies Corporation.[1]

Early life and education[edit]

He was born in Pomona, California. His father was a child psychiatrist specializing in mental retardation, and ran a state hospital.[2] As a child, Tarjan read a lot of science fiction, and wanted to be an astronomer. He became interested in mathematics after reading Martin Gardner's mathematical games column in Scientific American. He became seriously interested in math in the eighth grade, thanks to a "very stimulating" teacher.[3]

While he was in high school, Tarjan got a job, where he worked IBM card punch collators. He first worked with real computers while studying astronomy at the Summer Science Program in 1964.[2]

Tarjan obtained a Bachelor's degree in mathematics from the California Institute of Technology in 1969. At Stanford University, he received his master's degree in computer science in 1971 and a Ph.D. in computer science (with a minor in mathematics) in 1972. At Stanford, he was supervised by Robert Floyd[4] and Donald Knuth,[5] both highly prominent computer scientists, and his Ph.D. dissertation was An Efficient Planarity Algorithm. Tarjan selected computer science as his area of interest because he believed that CS was a way of doing mathematics that could have a practical impact.[6]

Computer science career[edit]

Tarjan has been teaching at Princeton University since 1985.[6] He has also held academic positions at Cornell University (1972–73), University of California, Berkeley (1973–1975), Stanford University (1974–1980), and New York University (1981–1985). He has also been a fellow of the NEC Research Institute (1989–1997).[7] In April 2013 he joined Microsoft Research Silicon Valley in addition to the position at Princeton. In October 2014 he rejoined Intertrust Technologies as chief scientist.

Tarjan has worked at AT&T Bell Labs (1980–1989), Intertrust Technologies (1997–2001, 2014–present), Compaq (2002) and Hewlett Packard (2006–2013).

Algorithms and data structures[edit]

Tarjan is known for his pioneering work on graph theory algorithms and data structures. Some of his well-known algorithms include Tarjan's off-line least common ancestors algorithm, and Tarjan's strongly connected components algorithm, and he was one of five co-authors of the median of medians linear time selection algorithm. The Hopcroft-Tarjan planarity testing algorithm was the first linear-time algorithm for planarity-testing.[8]

Tarjan has also developed important data structures such as the Fibonacci heap (a heap data structure consisting of a forest of trees), and the splay tree (a self-adjusting binary search tree; co-invented by Tarjan and Daniel Sleator). Another significant contribution was the analysis of the disjoint-set data structure; he was the first to prove the optimal runtime involving the inverse Ackermann function.

Awards[edit]

Tarjan received the Turing Award jointly with John Hopcroft in 1986. The citation for the award states[7] that it was:

For fundamental achievements in the design and analysis of algorithms and data structures.

Tarjan was also elected an ACM Fellow in 1994. The citation for this award states:[9]

For seminal advances in the design and analysis of data structures and algorithms.

Some of the other awards for Tarjan include:

Patents[edit]

Tarjan holds at least 18 U.S. patents.[12] These include:

  • J. Bentley, D. Sleator, and R. E. Tarjan, U. S. Patent 4,796,003, Data Compaction, 1989[13]
  • N. Mishra, R. Schreiber, and R. E. Tarjan, U. S. Patent 7,818,272, Method for discovery of clusters of objects in an arbitrary undirected graph using a difference between a fraction of internal connections and maximum fraction of connections by an outside object, 2010[14]
  • B. Pinkas, S. Haber, R. E. Tarjan, and T. Sander, U. S. Patent 8220036, Establishing a secure channel with a human user, 2012[15]

Notes[edit]

  1. ^ https://www.intertrust.com/newsroom/leadership/#robert-e-tarjan
  2. ^ a b Shasha, Dennis Elliott; Lazere, Cathy A. (1998) [1995]. "Robert E. Tarjan: In Search of Good Structure". Out of Their Minds: The Lives and Discoveries of 15 Great Computer Scientists. Copernicus/Springer. pp. 102–119. ISBN 978-0-387-97992-2. OCLC 32240355. 
  3. ^ "Robert Tarjan: The Art of the Algorithm". Hewlett-Packard. Retrieved 2010-09-05. 
  4. ^ "Robert Endre Tarjan". Mathematics Genealogy Project. Retrieved 2008-01-09. 
  5. ^ Robert, Tarjan. "Curriculum Vitae". 
  6. ^ a b "Robert Endre Tarjan: The art of the algorithm (interview)". Hewlett-Packard. September 2004. Retrieved 2008-01-09. 
  7. ^ a b c d e f Turing award citation, ACM, retrieved 2014-01-19.
  8. ^ Kocay, William; Kreher, Donald L (2005). "Planar Graphs". Graphs, algorithms, and optimization. Boca Raton: Chapman & Hall/CRC. p. 312. ISBN 978-1-58488-396-8. OCLC 56319851. 
  9. ^ http://www.acm.org/awards/fellows_citations_n-z/tarjan.html
  10. ^ Nevanlinna prize winners, International Mathematical Union, retrieved 2014-01-19.
  11. ^ http://media.caltech.edu/press_releases/13332
  12. ^ http://www.cs.princeton.edu/~ret/Vita2012A1.pdf
  13. ^ http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=4,796,003.PN.&OS=PN/4,796,003&RS=PN/4,796,003
  14. ^ http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=7,818,272.PN.&OS=PN/7,818,272&RS=PN/7,818,272
  15. ^ http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=8220036.PN.&OS=PN/8220036&RS=PN/8220036

References[edit]

External links[edit]

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