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Topic: Danilo Blanusa

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	Danilo Blanusa - Encyclopedia, History, Geography and Biography
		Danilo Blanusa - Encyclopedia, History, Geography and Biography
		This page was last modified 20:45, 31 May 2005.
		This encyclopedia, history, geography and biography article about Danilo Blanusa contains research on
	www.arikah.com /encyclopedia/Danilo_Blanusa (385 words)

	Blanusa's snark, Danilo Blanusa, W.T. Tutte, Blanche Descartes (Site not responding. Last check: 2007-10-20)
		1(1946), 31-42) discovered by late Professor Danilo Blanusa (13-1987) of The University of Zagreb, and published in the quoted paper.
		In that paper D. Blanusa treats the Four Colour Problem and proposes to investigate all connected and without bridges uncolorable trivalent graphs and try to characterize them and see if there exists any planar one or not.
		Beside this idea he has offered and depicted graph showning that the Petersen graph is not the only one of this type.
	www.hr /darko/etf/ivansic.html (266 words)

	Four color theorem - InformationBlast
		It is obvious that three colors are completely inadequate, and it is not difficult to prove that five colors are sufficient to color a map.
		Significant results in that area were produced by Croatian mathematician Danilo Blanusa in the 1940s by finding an original snark.
		However, it was not until 1977 that the four-color conjecture was finally proven by Kenneth Appel and Wolfgang Haken.
	www.informationblast.com /Four_colour_theorem.html (679 words)

	www.mutabdzic.com (Site not responding. Last check: 2007-10-20)
		Danilo Blanusa (1903-1987), Croatian mathematician, professor at the University of Zagreb, was born in Osijek.
		It is already time to correct wrong attribution of this discovery to H. Ott in the scientific literature, since Blanusa's priority in indisputable.
		Blanusa's most important work is related to isometric immersions of two-dimensional Lobacevski plane into six-dimensional Euclidean space and generalizations.
	mutabdzic.no-ip.com /html/croatia.php (4831 words)

	iqexpand.com (Site not responding. Last check: 2007-10-20)
		In 1890, in addition to exposing the flaw in Kempe's proof, Heawood proved that all planar graphs are five-colorable.
		Significant results were produced by Croatian mathematician Danilo Blanuša in the 1940s by finding an original snark.
		During the 1960s and 70s German mathematician Heinrich Heesch developed methods of applying the computer in searching for a proof.
	four_color_theorem.iqexpand.com (1227 words)

	Danilo Blanusa Definition im Mathe Lexikon (Site not responding. Last check: 2007-10-20)
		Danilo Blanusa - Definition, Erklärung, Bedeutung von Danilo Blanusa im Lexikon für Mathematik
		Definition, Erklärung, Bedeutung von Danilo Blanusa im Lexikon für Mathematik.
		Wenn Danilo Blanusa Deiner Meinung nach nicht richtig erklärt oder definiert wurde, schreib bitte
	www.matheboard.de /lexikon/index.php?title=Danilo_Blanusa&action=edit (47 words)

	History of Croatian Science
		He discovered a mistake in relations for absolute heat Q and temperature T in relativistic phenomenological thermodynamics, published by Max Planck in Annalen der Physik in 1908:
		It is already time to correct wrong attribution of this discovery to Heinrich Ott in the scientific literature, since Blanusa's priority is indisputable.
		His work about imbeddings of hyperbolic spaces into Euclidean spaces has been cited in 1956 by John Nash (well known mathematician, Nobel prize for economy; Blanusa is cited in his paper "The imbedding problem for Riemannian manifolds", Annals of Mathematics, Vol 63, No. 1, 1956, pp.
	mirror.veus.hr /darko/etf/et22.html (11596 words)

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