Báo cáo toán học: "Tilings of the sphere with right triangles II: The (1, 3, 2), (0, 2, n) subfamily" ppt

... EXPRESS Open Access Synthesis of highly transparent ultrananocrystalline diamond films from a low- pressure, low-temperature focused microwave plasma jet Wen-Hsiang Liao 1,2 , Da-Hua Wei 1,2* and Chii-Ruey ... of highly transparent ultrananocrystalline diamond films from a low-pressure, low- temperature focused microwave plasma jet. Nanoscale Re...

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... 2DH1&2DM 1 packets over a correlated Rayleigh fading channel at SNR = 15 dB with different 1 Performance of the audio signals transmission over wireless networks with the channel interleaving ... show the variation of the Cr and the MSE of the received audio signals with the channel SNR, respectively. These figures reveal that...

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... occurrence and behavior of potentially hazardous organic xenobiotics in the influent and effluent of a municipal sewage treatment plant in Germany: an effect-directed approach. Environmental Sciences ... Kraft (Duisburg, Germany) and J.T. Baker (Deventer, The Netherlands). For chemical analysis, standard stock solutions of the analytes an...

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... full text (HTML) versions will be made available soon. Identification of cytochrome P450 monooxygenase genes from the white-rot fungus Phlebia brevispora AMB Express 2012, 2:8 doi:10.1186/2191-0855-2-8 Ryoich ... provided the original work is properly cited. 3 Abstract Three cytochrome P450 monooxygenase (CYP) genes, designated pb-1, pb-2 and pb-3, were isola...

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... More matrix forms of the arithmeticgeometric mean in- equality. SIAM J. Matrix Anal. Appl. 14, 132–136 (1993) 2. Kittaneh, F: On the convexity of the Heinz means. Integ. Equ. Oper. Theory 68, 519–527 ... on the interval [a, b]. Then f  a + b 2  ≤ 1 b − a  b a f(t)dt ≤ f(a) + f( b) 2 . In [2], Kittaneh obtained several refinements of the Heinz inequalities by using the...

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... akroutkamel@gmail.com; ∗ Corresponding author Abstract In this paper, we are interested on the study of the nonexistence of nontrivial solutions for the p (x) −Laplacian equations, in unbounded domains of R n . This ... versions will be made available soon. Nonexistence of nontrivial solutions for the p(x)-Laplacian equations and systems in...

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... the class of generalized abelian rings (for short, GA- rings) introduced in [10] is a proper subclass of the class of WGA -rings. We will prov e that, for an exchange ring R with stable range 1, ... e 0 R. Vietnam Journal of Mathematics 34:2 (2006) 171–178 K 0 of Exchange Rings with Stable Range 1 * Xinmin Lu 1,2 and Hourong Qin 2 1 Faculty of Science, Jiangx...

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... [3], these tile the sphere uniquely up to reflection. 6 Conclusion This paper lists all the right spherical triangles with asymptotically right V 1 that tile the sphere. The set of such triangles ... gives us Figure 29c; but there is no way to the electronic journal of combinatorics 13 (2006), #R48 27 Tilings of the sphere with right triangles I: Th...

Ngày tải lên: 07/08/2014, 13:21

... 27 ◦ )andvertexvectors(0, 2, 8), (0, 5, 0), (1, 0, 10), (1, 3, 2), (2, 1, 4), and (4, 0, 0). Its area is 1/80 that of the sphere. Theorem 2 The triangle T 8 does not tile the sphere. Proof: As before, we examine the ... now find the vertex vectors (a, b, c) of the triangles T n . Proposition 1 The vertex vectors of T n are precisely (0, 2 ,n),...

Ngày tải lên: 07/08/2014, 13:21

... divide that of the sphere. Proposition 5 The only right triangles with V 1 = (1, 2, 1) that tile the sphere are the (90 ◦ , 90 ◦ , 90 ◦ ) and (90 ◦ , 108 ◦ , 54 ◦ ) triangles. Proof: The triangles ... right triangles I: the asymptotically right families, Electronic Journal of Combinatorics 13(1) (2006) #R48 [5] Dawson, R. J. MacG. and Doyle, B., Tilings...

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... Psychiatry Open Access Primary Research Low self-esteem and psychiatric patients: Part II – The relationship between self-esteem and demographic factors and psychosocial stressors in psychiatric ... < 0.001). Again, these findings suggest a possible weak relationship be- tween self-esteem of psychiatric patients and family income. Psychosoc...

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