Results 281 to 290 of about 11,829,477 (307)
Some of the next articles are maybe not open access.

On the Ramanujan-Lodge harmonic number expansion

Applied Mathematics and Computation, 2015
C. Mortici, M. Villarino
semanticscholar   +1 more source

On the matrices with harmonic numbers

2010
In this study, firstly we define nxn matrices P and Q associated with harmonic numbers such that and Q where k Hk is denote kth harmonic number. After we study the spectral norms, Euclidean norms and determinants of these matrices.
BAHSİ, Mustafa, SOLAK, Süleyman
openaire   +2 more sources

Extremal values on the harmonic number of trees

International Journal of Computational Mathematics, 2015
Qiong Fan, Shuchao Li, Qin Zhao
semanticscholar   +1 more source

Unitary Harmonic Numbers

The Fibonacci Quarterly, 1983
openaire   +1 more source

Proportion and number of cancer cases and deaths attributable to potentially modifiable risk factors in the United States

Ca-A Cancer Journal for Clinicians, 2018
Farhad Islami   +2 more
exaly  

New concept in echocardiography: harmonic imaging of tissue without use of contrast agent

Lancet, The, 1998
Kenneth Caidahl   +2 more
exaly  

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