Orthocenter (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Orthocenter" in English language version.

refsWebsite

Global rank English rank

4web.archive.org

1^st place

4wolfram.com

513^th place

537^th place

4doi.org

2^nd place

3archive.org

6^th place

2fau.edu

6,442^nd place

4,551^st place

1evansville.edu

low place

1uga.edu

2,385^th place

1,626^th place

1siu.edu

low place

9,567^th place

1books.google.com

3^rd place

1researchgate.net

120^th place

125^th place

1sid.ir

9,200^th place

low place

1zenodo.org

621^st place

380^th place

1cut-the-knot.org

low place

archive.org (Global: 6^th place; English: 6^th place)

Newton, Isaac (1971). "3.1 The 'Geometry of Curved Lines'". In Whiteside, Derek Thomas (ed.). The Mathematical Papers of Isaac Newton. Vol. 4. Cambridge University Press. pp. 454–455. Note Whiteside's footnotes 90–92, pp. 454–456.
Davies, Thomas Stephens (1850). "XXIV. Geometry and geometers". Philosophical Magazine. 3. 37 (249): 198–212. doi:10.1080/14786445008646583. Footnote on pp. 207–208. Quoted by Bogomolny, Alexander (2010). "A Possibly First Proof of the Concurrence of Altitudes". Cut The Knot. Retrieved 2019-11-17.
Servois, Francois-Joseph (1804). Solutions peu connues de différens problèmes de Géométrie-pratique [Little-known solutions of various Geometry practice problems] (in French). Devilly, Metz et Courcier. p. 15.
Gauss, Carl Friedrich (1810). "Zusätze". Geometrie der Stellung. By Carnot, Lazare (in German). Translated by Schumacher. republished in Gauss, Carl Friedrich (1873). "Zusätze". Werke. Vol. 4. Göttingen Academy of Sciences. p. 396.
See Mackay, John Sturgeon (1883). "The Triangle and its Six Scribed Circles §5. Orthocentre". Proceedings of the Edinburgh Mathematical Society. 1: 60–96. doi:10.1017/S0013091500036762.

books.google.com (Global: 3^rd place; English: 3^rd place)

William H. Barker, Roger Howe (2007). "§ VI.2: The classical coincidences". Continuous symmetry: from Euclid to Klein. American Mathematical Society. p. 292. ISBN 978-0-8218-3900-3. See also: Corollary 5.5, p. 318.

cut-the-knot.org (Global: low place; English: low place)

Davies, Thomas Stephens (1850). "XXIV. Geometry and geometers". Philosophical Magazine. 3. 37 (249): 198–212. doi:10.1080/14786445008646583. Footnote on pp. 207–208. Quoted by Bogomolny, Alexander (2010). "A Possibly First Proof of the Concurrence of Altitudes". Cut The Knot. Retrieved 2019-11-17.

doi.org (Global: 2^nd place; English: 2^nd place)

Kocik, Jerzy; Solecki, Andrzej (2009). "Disentangling a triangle" (PDF). American Mathematical Monthly. 116 (3): 228–237. doi:10.1080/00029890.2009.11920932.
Hajja, Mowaffaq; Martini, Horst (2013). "Concurrency of the Altitudes of a Triangle". Mathematische Semesterberichte. 60 (2): 249–260. doi:10.1007/s00591-013-0123-z.
Hogendijk, Jan P. (2008). "Two beautiful geometrical theorems by Abū Sahl Kūhī in a 17th century Dutch translation". Tārīk͟h-e ʾElm: Iranian Journal for the History of Science. 6: 1–36.
Davies, Thomas Stephens (1850). "XXIV. Geometry and geometers". Philosophical Magazine. 3. 37 (249): 198–212. doi:10.1080/14786445008646583. Footnote on pp. 207–208. Quoted by Bogomolny, Alexander (2010). "A Possibly First Proof of the Concurrence of Altitudes". Cut The Knot. Retrieved 2019-11-17.
Servois, Francois-Joseph (1804). Solutions peu connues de différens problèmes de Géométrie-pratique [Little-known solutions of various Geometry practice problems] (in French). Devilly, Metz et Courcier. p. 15.
Gauss, Carl Friedrich (1810). "Zusätze". Geometrie der Stellung. By Carnot, Lazare (in German). Translated by Schumacher. republished in Gauss, Carl Friedrich (1873). "Zusätze". Werke. Vol. 4. Göttingen Academy of Sciences. p. 396.
See Mackay, John Sturgeon (1883). "The Triangle and its Six Scribed Circles §5. Orthocentre". Proceedings of the Edinburgh Mathematical Society. 1: 60–96. doi:10.1017/S0013091500036762.

evansville.edu (Global: low place; English: low place)

faculty.evansville.edu

Clark Kimberling's Encyclopedia of Triangle Centers "Encyclopedia of Triangle Centers". Archived from the original on 2012-04-19. Retrieved 2012-04-19.

fau.edu (Global: 6,442^nd place; English: 4,551^st place)

forumgeom.fau.edu

"Bell, Amy, "Hansen's right triangle theorem, its converse and a generalization", Forum Geometricorum 6, 2006, 335–342" (PDF). Archived from the original (PDF) on 2021-08-31. Retrieved 2024-10-21.
Marie-Nicole Gras, "Distances between the circumcenter of the extouch triangle and the classical centers", Forum Geometricorum 14 (2014), 51-61. http://forumgeom.fau.edu/FG2014volume14/FG201405index.html

researchgate.net (Global: 120^th place; English: 125^th place)

Hajja, Mowaffaq; Martini, Horst (2013). "Concurrency of the Altitudes of a Triangle". Mathematische Semesterberichte. 60 (2): 249–260. doi:10.1007/s00591-013-0123-z.
Hogendijk, Jan P. (2008). "Two beautiful geometrical theorems by Abū Sahl Kūhī in a 17th century Dutch translation". Tārīk͟h-e ʾElm: Iranian Journal for the History of Science. 6: 1–36.

sid.ir (Global: 9,200^th place; English: low place)

Hajja, Mowaffaq; Martini, Horst (2013). "Concurrency of the Altitudes of a Triangle". Mathematische Semesterberichte. 60 (2): 249–260. doi:10.1007/s00591-013-0123-z.
Hogendijk, Jan P. (2008). "Two beautiful geometrical theorems by Abū Sahl Kūhī in a 17th century Dutch translation". Tārīk͟h-e ʾElm: Iranian Journal for the History of Science. 6: 1–36.

siu.edu (Global: low place; English: 9,567^th place)

lagrange.math.siu.edu

Kocik, Jerzy; Solecki, Andrzej (2009). "Disentangling a triangle" (PDF). American Mathematical Monthly. 116 (3): 228–237. doi:10.1080/00029890.2009.11920932.

uga.edu (Global: 2,385^th place; English: 1,626^th place)

jwilson.coe.uga.edu

Panapoi, Ronnachai, "Some properties of the orthocenter of a triangle" Archived 2021-04-29 at the Wayback Machine, University of Georgia.

web.archive.org (Global: 1^st place; English: 1^st place)

Clark Kimberling's Encyclopedia of Triangle Centers "Encyclopedia of Triangle Centers". Archived from the original on 2012-04-19. Retrieved 2012-04-19.
""Orthocenter of a triangle"". Archived from the original on 2012-07-05. Retrieved 2012-05-04.
Panapoi, Ronnachai, "Some properties of the orthocenter of a triangle" Archived 2021-04-29 at the Wayback Machine, University of Georgia.
"Bell, Amy, "Hansen's right triangle theorem, its converse and a generalization", Forum Geometricorum 6, 2006, 335–342" (PDF). Archived from the original (PDF) on 2021-08-31. Retrieved 2024-10-21.

wolfram.com (Global: 513^th place; English: 537^th place)

mathworld.wolfram.com

Weisstein, Eric W. "Isotomic conjugate" From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/IsotomicConjugate.html
Weisstein, Eric W. "Orthocenter." From MathWorld--A Wolfram Web Resource.
Weisstein, Eric W. "Kiepert Parabola." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/KiepertParabola.html
Weisstein, Eric W. "Jerabek Hyperbola." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/JerabekHyperbola.html

zenodo.org (Global: 621^st place; English: 380^th place)

Davies, Thomas Stephens (1850). "XXIV. Geometry and geometers". Philosophical Magazine. 3. 37 (249): 198–212. doi:10.1080/14786445008646583. Footnote on pp. 207–208. Quoted by Bogomolny, Alexander (2010). "A Possibly First Proof of the Concurrence of Altitudes". Cut The Knot. Retrieved 2019-11-17.

Orthocenter (English Wikipedia)

archive.org (Global: 6th place; English: 6th place)

books.google.com (Global: 3rd place; English: 3rd place)

cut-the-knot.org (Global: low place; English: low place)

doi.org (Global: 2nd place; English: 2nd place)

evansville.edu (Global: low place; English: low place)

faculty.evansville.edu

fau.edu (Global: 6,442nd place; English: 4,551st place)

forumgeom.fau.edu

researchgate.net (Global: 120th place; English: 125th place)

sid.ir (Global: 9,200th place; English: low place)

siu.edu (Global: low place; English: 9,567th place)

lagrange.math.siu.edu

uga.edu (Global: 2,385th place; English: 1,626th place)

jwilson.coe.uga.edu

web.archive.org (Global: 1st place; English: 1st place)

wolfram.com (Global: 513th place; English: 537th place)

mathworld.wolfram.com

zenodo.org (Global: 621st place; English: 380th place)

archive.org (Global: 6^th place; English: 6^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

doi.org (Global: 2^nd place; English: 2^nd place)

fau.edu (Global: 6,442^nd place; English: 4,551^st place)

researchgate.net (Global: 120^th place; English: 125^th place)

sid.ir (Global: 9,200^th place; English: low place)

siu.edu (Global: low place; English: 9,567^th place)

uga.edu (Global: 2,385^th place; English: 1,626^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wolfram.com (Global: 513^th place; English: 537^th place)

zenodo.org (Global: 621^st place; English: 380^th place)