List of articles (by subject) Operator theory
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Open Access Article
1 - Characterization of $(\delta, \varepsilon)$-double derivation on rings and algebras
Z. Jokar A. Niknam -
Open Access Article
2 - A closure operator versus purity
M. Ghorbani -
Open Access Article
3 - Reverses of the first Hermite-Hadamard type inequality for the square operator modulus in Hilbert spaces
S. S. Dragomir -
Open Access Article
4 - On equality of complete positivity and complete copositivity of positive map
C. A. Winda N. B. Okelo O. Ongati -
Open Access Article
5 - Graphical cyclic $\mathcal{J}$-integral Banach type mappings and the existence of their best proximity points
K. Fallahi S. Jalali -
Open Access Article
6 - New lower bound for numerical radius for off-diagonal $2\times 2$ matrices
B. Moosavi M. Shah Hosseini -
Open Access Article
7 - On the boundedness of almost multipliers on certain Banach algebras
E. Ansari-Piri M. Shams Yousefi S. Nouri -
Open Access Article
8 - On dual shearlet frames
M. Amin khah A. Askari Hemmat R. Raisi Tousi -
Open Access Article
9 - Some algebraic properties of Lambert Multipliers on $L^2$ spaces
A. Zohri S. Khalil Sarbaz -
Open Access Article
10 - On the results of proving the equivalence of $\mathcal{T}$-contractive mappings
S. S. Karimizad -
Open Access Article
11 - Fixed point results of hybrid-type $F$-contractions
M. S. Shagari M. Jehoshaphat R. O. Ogbumba R. Chiroma