Results 141 to 144 of about 539 (144)

Further Results on the Logarithmic Integral

Sarajevo Journal of Mathematics
The logaritmic integral li$( x^r)$ and its associated functions li$ _+ ( x^r)$ and li$_-(x^r)$ are defined as locally summable functions on the real line and their derivatives are found as distributions.
B. Fisher, B. Jolevska-Tuneska, A. Takaci   +2 more
semanticscholar   +1 more source

Some Commutative Neutrix Convolutions Involving the Fresnel Integrals

Sarajevo Journal of Mathematics
The Fresnel cosine integral C$(x)$, the Fresnel sine integral S$(x)$ and the associated functions $C_+(x)$, $C_-(x)$, $S_+(x)$ and $S_-(x)$ are defined as locally summable functions on the real line. Some convolutions and commutative neutrix convolutions
Brian Fisher, K. Nonlaopon, Gumpon Sritanratana   +2 more
semanticscholar   +1 more source

Superstability of a Pexider-type trigonometric functional equation in normed algebras

, 2015
The aim of this paper is to study the superstability of the following pexiderized cosine functional: f1(x+ y) + f2(x− y) = λg1(x)g2(y), Corresponding author 2840 Iz-iddine EL-Fassi, Samir Kabbaj and Gwang Hui Kim where f1, f2, 2g1, g2 : V → A are unknown
Iz-iddine El-Fassi, S. Kabbaj, G. Kim
semanticscholar   +1 more source

Formation of the quaternary compounds Nd3(T1−xSix)33B10 (T=Co, Ni; 0.115≤x≤0.150)

, 1999
Hen Zhang, S. Campbell, Hong-shuo Li, E. Wu   +3 more
semanticscholar   +1 more source