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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
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
An Algorithmic View of the Universe
An Algorithmic View of the Universe
Published: 2013/01/23
Channel: Association for Computing Machinery (ACM)
Rice CS Colloquium: Robert Tarjan, 09/30/2016
Rice CS Colloquium: Robert Tarjan, 09/30/2016
Published: 2016/10/01
Channel: Rice CS GSA
Alice Tarjan & Elfenfeuer Win Adult Amateur Grand Prix Championship at #USDressageFinals
Alice Tarjan & Elfenfeuer Win Adult Amateur Grand Prix Championship at #USDressageFinals
Published: 2014/11/08
Channel: US Equestrian
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
Tarjan
Tarjan's Toposort Algorithm - Graph Theory 14
Published: 2016/03/07
Channel: 0612 TV w/ NERDfirst
Rob Schapire on Multiclass Boosting
Rob Schapire on Multiclass Boosting
Published: 2012/04/11
Channel: The University of Chicago
An Algorithmic View of the Universe
An Algorithmic View of the Universe
Published: 2016/11/19
Channel: Christine Mclaughlin
2017.05.19. Tarján Acél Futam előzetes
2017.05.19. Tarján Acél Futam előzetes
Published: 2017/05/19
Channel: salgotvs2011
Mi már leszoktunk róla
Mi már leszoktunk róla
Published: 2016/01/30
Channel: Various Artists - Topic
'The Legend of Tarzan' (2016) Official Trailer HD
Published: 2015/12/10
Channel: Moviefone
Houson and Zach Interview Tarjan
Houson and Zach Interview Tarjan
Published: 2011/11/02
Channel: Todd Rubin
Taarzan The Wonder Car 2004 720p WEB HD
Taarzan The Wonder Car 2004 720p WEB HD
Published: 2017/03/05
Channel: khondoker shaher
Fibonacci Heap - An efficient priority Queue data structure (Introduction)
Fibonacci Heap - An efficient priority Queue data structure (Introduction)
Published: 2017/02/11
Channel: StudyKorner
Tarjan
Tarjan
Published: 2017/06/20
Channel: shankar kumar
Tarjan
Tarjan's Algorithm Finding Bridges in less than 6 MINUTES!
Published: 2016/03/04
Channel: Aleksandar Abas
The Legend of Tarzan TRAILER 2 (2016) - Margot Robbie, Christoph Waltz Movie HD
The Legend of Tarzan TRAILER 2 (2016) - Margot Robbie, Christoph Waltz Movie HD
Published: 2016/03/17
Channel: Movieclips Coming Soon
Puentes de un Grafo: Algoritmo de Tarjan
Puentes de un Grafo: Algoritmo de Tarjan
Published: 2016/10/29
Channel: Tutorías con Ingenio Universidad Nacional
Tarjan
Tarjan
Published: 2017/06/19
Channel: Hayatur Khan
Pikó Andrással beszélget Tarján András
Pikó Andrással beszélget Tarján András
Published: 2017/04/01
Channel: Istvan Seregely
tarjan mjc
tarjan mjc
Published: 2012/08/21
Channel: Ajay Agroiya
barath the TARJAN
barath the TARJAN
Published: 2010/01/20
Channel: praviin
Strongly Connected Components Tutorial
Strongly Connected Components Tutorial
Published: 2015/04/01
Channel: Michael Mroczka
Tarjan Alogrithm parte 1
Tarjan Alogrithm parte 1
Published: 2015/01/20
Channel: jorgerodriguezc
Tarjan
Tarjan
Published: 2017/06/20
Channel: Hansraj Sangwan
The King Hunt: Tarjan vs  Hodgson - 1983
The King Hunt: Tarjan vs Hodgson - 1983
Published: 2015/08/25
Channel: MatoJelic
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 Ka Beta Hindi Full Movie | Hindi Action Dubbed Movie 2016| Hollywood Full Movie in Hindi 2016
Tarjan Ka Beta Hindi Full Movie | Hindi Action Dubbed Movie 2016| Hollywood Full Movie in Hindi 2016
Published: 2017/03/07
Channel: The HollyBolly Mix
MOV 2405
MOV 2405
Published: 2016/10/07
Channel: Robert Tarjan
Strongly Connected Components -  A Walkthrough
Strongly Connected Components - A Walkthrough
Published: 2017/02/12
Channel: Chad Mills
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
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
Tarjan Tv - Deutsche Sendung IV. Tag
Tarjan Tv - Deutsche Sendung IV. Tag
Published: 2010/06/22
Channel: Túri Katalin
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
Hódmezővásárhely városrészek, Tarján
Hódmezővásárhely városrészek, Tarján
Published: 2015/03/09
Channel: Oláhné Bacsa Edit
Honest Trailers - The Jungle Book (2016)
Honest Trailers - The Jungle Book (2016)
Published: 2016/08/23
Channel: Screen Junkies
Gym of tarjan
Gym of tarjan
Published: 2016/11/07
Channel: Ajay Singh
005 Tarjan implementation
005 Tarjan implementation
Published: 2015/11/11
Channel: Townman Alex
Le Belier-KK Ajka – Tarján SE 23-15(9-9)
Le Belier-KK Ajka – Tarján SE 23-15(9-9)
Published: 2016/04/21
Channel: Ajkai Szó
Tarjan 3 uutta tyyliä (Instrumentarium/Gloria Fashion Show)
Tarjan 3 uutta tyyliä (Instrumentarium/Gloria Fashion Show)
Published: 2015/09/28
Channel: Instrumentarium
Iskolai praktikák - diákoknak
Iskolai praktikák - diákoknak
Published: 2012/02/21
Channel: Robert Nasztor
TT nyar tarjan dora
TT nyar tarjan dora
Published: 2012/08/24
Channel: DIVATKREÁTOR
Szent György Napok 2009 - Dancs Annamari és Tarján Pál
Szent György Napok 2009 - Dancs Annamari és Tarján Pál
Published: 2009/04/28
Channel: sztgyorgynapok2009
Victor Tarjan
Victor Tarjan
Published: 2014/11/14
Channel: Gregor Tarjan
The Legend: Walter Browne - GM Ben Finegold - 2015.06.25
The Legend: Walter Browne - GM Ben Finegold - 2015.06.25
Published: 2015/07/06
Channel: Chess Club and Scholastic Center of Saint Louis
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WIKIPEDIA ARTICLE

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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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