VOL. 2 · NO. 2 | Spring 2017
Ali Zamani
Adv. Oper. Theory 2 (2), 98-107, (Spring 2017) DOI: 10.22034/aot.1612-1076
KEYWORDS: numerical radius, operator norm, inequality, Cartesian decomposition, 47A12, 47A30
Aschwag Fahad Albideewi, Mohamed Mabruk
Adv. Oper. Theory 2 (2), 108-113, (Spring 2017) DOI: 10.22034/aot.1612-1067
KEYWORDS: numerical range, $C^*$-algebra, compressing the numerical range, Jordan $*$-homomorphism, 15A86, 47A12, 46L05, 47B49
Tomaž Košir, Matjaž Omladič
Adv. Oper. Theory 2 (2), 114-125, (Spring 2017) DOI: 10.22034/aot.1611-1063
KEYWORDS: sampling theory, consistent and quasiconsistent reconstructions, frames and normalized tight frames, replacement operator, several samples, 47N99, 15A30, 46C05, 94A20
Jean-Pierre Antoine, Camillo Trapani
Adv. Oper. Theory 2 (2), 126-146, (Spring 2017) DOI: 10.22034/aot.1611-1053
KEYWORDS: reproducing pairs, continuous frames, upper and lower semi-frames, partial inner product spaces, lattices of Banach spaces, 41A99, 46Bxx, 46C50, 46Exx
Ghorban Khalilzadeh Ranjbar, Tooraj Amiri
Adv. Oper. Theory 2 (2), 147-161, (Spring 2017) DOI: 10.22034/aot.1611-1050
KEYWORDS: complete metric space, variety, contractions, convexity, fixed point, 08B15, 37C25
Arun Kajla
Adv. Oper. Theory 2 (2), 162-178, (Spring 2017) DOI: 10.22034/aot.1612-1079
KEYWORDS: positive approximation process, rate of convergence, modulus of continuity, Steklov mean, 26A15, 41A25, 41A28
László Székelyhidi
Adv. Oper. Theory 2 (2), 179-191, (Spring 2017) DOI: 10.22034/aot.1610-1028
KEYWORDS: Gelfand pair, spherical function, spherical monomial, spectral synthesis, 43A45, 43A90, 47B38, 22D15
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