On propellers from triangles.
Čerin, Zvonko (2001)
Beiträge zur Algebra und Geometrie
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Čerin, Zvonko (2001)
Beiträge zur Algebra und Geometrie
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Adam Grabowski (2013)
Formalized Mathematics
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In the article the formal characterization of triangular numbers (famous from [15] and words “EYPHKA! num = Δ+Δ+Δ”) [17] is given. Our primary aim was to formalize one of the items (#42) from Wiedijk’s Top 100 Mathematical Theorems list [33], namely that the sequence of sums of reciprocals of triangular numbers converges to 2. This Mizar representation was written in 2007. As the Mizar language evolved and attributes with arguments were implemented, we decided to extend these lines and...
Nilgün Sönmez (2009)
Kragujevac Journal of Mathematics
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Gelisgen, Ozcan, Kaya, Rustem (2009)
APPS. Applied Sciences
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Berman, Leah Wrenn, Ng, Laura (2010)
The Electronic Journal of Combinatorics [electronic only]
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Gábor Kallós (2006)
Annales mathématiques Blaise Pascal
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In this paper we generalize the Pascal triangle and examine the connections among the generalized triangles and powering integers respectively polynomials. We emphasize the relationship between the new triangles and the Pascal pyramids, moreover we present connections with the binomial and multinomial theorems.
Hajja, Mowaffaq, Martini, Horst, Spirova, Margarita (2006)
Beiträge zur Algebra und Geometrie
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Breda, Ana M.d'Azevedo, Santos, Altino F. (2004)
Beiträge zur Algebra und Geometrie
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Aloupis, Greg, Ewald, Günter, Toussaint, Godfried (2004)
Beiträge zur Algebra und Geometrie
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Milan Janjić (2008)
The Teaching of Mathematics
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Szabo, Laszlo, Ujvary-Menyhart, Zoltan (2001)
Beiträge zur Algebra und Geometrie
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