Braha, Naim L.; Yaying, Taja; Mursaleen, Mohammad Sequence spaces derived by \(q_{\lambda}\) operators in \(\ell_p\) spaces and their geometric properties. (English) Zbl 1546.46007 J. Inequal. Appl. 2024, Paper No. 74, 15 p. (2024). MSC: 46A45 46B45 47B37 × Cite Format Result Cite Review PDF Full Text: DOI
Braha, Naim Latif; Hazarika, Bipan; Yaying, Taja \(\Lambda^2\)-Fibonacci sequence spaces. (English) Zbl 1540.46005 Adv. Oper. Theory 8, No. 3, Paper No. 48, 23 p. (2023). MSC: 46A45 46B45 46A35 46B50 47B37 × Cite Format Result Cite Review PDF Full Text: DOI
Hoxha, Ilmi; Braha, Naim L. Algebraic extension of \(\mathcal{A}^\ast_n\) operator. (English) Zbl 1549.47046 Bol. Soc. Parana. Mat. (3) 40, Paper No. 25, 7 p. (2022). MSC: 47B20 47A10 47A08 × Cite Format Result Cite Review PDF Full Text: DOI
Braha, Naim L.; Hoxha, Ilmi; Estaremi, Usef \((n,k)\)-quasi class \(Q\) and \((n,k)\)-quasi class \(Q^\ast\) weighted composition operators. (English) Zbl 1507.47062 Oper. Matrices 16, No. 1, 171-188 (2022). MSC: 47B33 47B20 47B37 × Cite Format Result Cite Review PDF Full Text: DOI
Hoxha, Ilmi; Braha, Naim L. On \((n,k)\)-quasi class \(Q^\ast\) operators. (English) Zbl 07412535 J. Math. Inequal. 15, No. 3, 1003-1018 (2021). MSC: 47B20 47A80 47B37 × Cite Format Result Cite Review PDF Full Text: DOI
Hoxha, Ilmi; Braha, Naim L. Absolute-\((k, m)\)-paranormal and absolute-\((k^*,m)\)-paranormal weighted composition operators. (English) Zbl 07355139 Mediterr. J. Math. 18, No. 4, Paper No. 123, 21 p. (2021). MSC: 47B20 47A80 47B37 × Cite Format Result Cite Review PDF Full Text: DOI
Mecheri, Salah; Braha, Naim L. Polaroid operators and Weyl type theorems. (English) Zbl 1483.47040 Asian-Eur. J. Math. 13, No. 7, Article ID 2050123, 15 p. (2020). MSC: 47B20 47A10 47A68 × Cite Format Result Cite Review PDF Full Text: DOI
Mecheri, Salah; Braha, Naim Latif Spectral properties of \(k\)-quasi-class \(A(s,t)\) operators. (English) Zbl 07167107 Kyungpook Math. J. 59, No. 3, 415-431 (2019). MSC: 47B47 47A30 47B20 47B10 × Cite Format Result Cite Review PDF Full Text: DOI
Hoxha, Ilmi; Braha, Naim L. On \((n,k)\)-quasi class \(Q\) operators. (English) Zbl 1441.47027 Note Mat. 39, No. 2, 39-56 (2019). Reviewer: Abdellatif Bourhim (Syracuse) MSC: 47B20 47B33 × Cite Format Result Cite Review PDF Full Text: DOI
Hoxha, Ilmi; Braha, Naim L.; Tato, Agron Properties of absolute-\(\ast\)-\(k\)-paranormal operators and contractions for \(\ast\)-\(\mathcal{A}(k)\) operators. (English) Zbl 1438.47046 Stud. Univ. Babeș-Bolyai, Math. 64, No. 1, 119-132 (2019). MSC: 47B20 × Cite Format Result Cite Review PDF Full Text: DOI
Hoxha, Ilmi; Braha, Naim Latif; Tato, Agron Riesz idempotent and Weyl’s theorem for \(k\)-quasi-\(\ast\)-paranormal operators. (English) Zbl 07114806 Appl. Math. E-Notes 19, 80-100 (2019). MSC: 47B20 47B37 47B06 47A10 × Cite Format Result Cite Review PDF Full Text: Link
Braha, Naim L. Composition operators on Hilbert spaces of sequences. (English) Zbl 1424.47057 Bol. Soc. Parana. Mat. (3) 37, No. 4, 19-23 (2019). MSC: 47B33 47B37 46B45 × Cite Format Result Cite Review PDF Full Text: Link
Hoxha, Ilmi; Braha, Naim L.; Tanahashi, Kotaro On \(m\)-quasi class \(\mathcal{A}(k^*)\) and absolute-\((k^*,m)\)-paranormal operators. (English) Zbl 1484.47036 Hacet. J. Math. Stat. 47, No. 6, 1564-1577 (2018). MSC: 47B20 47A80 47B37 × Cite Format Result Cite Review PDF Full Text: Link
Braha, N. L.; Hoxha, Ilmi; Tanahashi, Kotaro Some properties of \((p,k)\)-quasiposinormal operators. (English) Zbl 1367.47028 J. Math. Anal. 6, No. 2, 13-21 (2015). Reviewer: Tudor Bînzar (Timişoara) (MR3367008) MSC: 47B20 47B10 × Cite Format Result Cite Review PDF
Braha, Naim L.; Hoxha, Ilmi; Mecheri, Salah On class \(\mathcal{A}(k^*)\) operators. (English) Zbl 1320.47022 Ann. Funct. Anal. 6, No. 4, 90-106 (2015). MSC: 47B20 47A80 47B37 × Cite Format Result Cite Review PDF Full Text: DOI Euclid
Hoxha, Ilmi; Braha, Naim L. On \(k\)-quasi class \(\mathcal A_{n}^{\ast}\) operators. (English) Zbl 1315.47023 Bull. Math. Anal. Appl. 6, No. 1, 23-33 (2014). MSC: 47B20 47B37 × Cite Format Result Cite Review PDF Full Text: Link
Hoxha, Ilmi; Braha, Naim L. The \(k\)-quasi-\(\ast\)-class \(\mathcal A\) contractions have property PF. (English) Zbl 1342.47032 J. Inequal. Appl. 2014, Paper No. 433, 9 p. (2014). Reviewer: Michal Zajac (Bratislava) MSC: 47B20 × Cite Format Result Cite Review PDF Full Text: DOI
Hoxha, Ilmi; Braha, Naim Latif Weyl’s theorem, tensor product, Fuglede-Putnam theorem and continuity spectrum for \(k\)-quasi class \(\mathcal{A}^{\ast}_{n}\) operators. (English) Zbl 1305.47017 J. Korean Math. Soc. 51, No. 5, 1089-1104 (2014). Reviewer: Janko Bračič (Ljubljana) MSC: 47B20 47A11 47A15 × Cite Format Result Cite Review PDF Full Text: DOI Link
Braha, Naim L.; Hoxha, Ilmi \((p,r,q)\)-\(\ast\)-paranormal and absolute-\((p,r)\)-\(\ast\)-paranormal operators. (English) Zbl 1312.47023 J. Math. Anal. 4, No. 3, 14-22 (2013). MSC: 47B20 47B37 × Cite Format Result Cite Review PDF
Hoxha, Ilmi; Braha, Naim L. A note on \(k\)-quasi-\(\ast \)-paranormal operators. (English) Zbl 1282.47028 J. Inequal. Appl. 2013, Paper No. 350, 7 p. (2013). MSC: 47B20 × Cite Format Result Cite Review PDF Full Text: DOI
Uchiyama, Atsushi; Tanahashi, Kotaro; Braha, Naim L. Corrigendum to: “Bishop’s property \((\beta)\) for paranormal operators” and “SVEP and Bishop’s property \(( \beta )\) for \(k\ast\)-paranormal operators”. (English) Zbl 1291.47019 Oper. Matrices 7, No. 3, 737-738 (2013). Reviewer: Aleksandar Perović (Berlin) MSC: 47B20 × Cite Format Result Cite Review PDF Full Text: DOI Link
Mecheri, S.; Braha, N. L. Polaroid and \(p-\ast-\)paranormal operators. (English) Zbl 1352.47021 Math. Inequal. Appl. 16, No. 2, 557-568 (2013). MSC: 47B20 47B37 × Cite Format Result Cite Review PDF Full Text: DOI
Mecheri, Salah; Braha, Naim L. Spectral properties of \(n\)-perinormal operators. (English) Zbl 1351.47017 Oper. Matrices 6, No. 4, Article ID 47, 725-734 (2012). MSC: 47B20 47B47 47A30 47B10 × Cite Format Result Cite Review PDF
Braha, N. L.; Tanahashi, K. SVEP and Bishop’s property for \(k*\)-paranormal operators. (English) Zbl 1237.47022 Oper. Matrices 5, No. 3, 469-472 (2011); corrigendum ibid. 7, No. 3, 737-738 (2013). Reviewer: Takeaki Yamazaki (Kawagoe) MSC: 47B20 47A10 × Cite Format Result Cite Review PDF Full Text: DOI Link
Braha, N. L.; Lohaj, M; Marevci, F. H.; Lohaj, Sh. Some properties of paranormal and hyponormal operators. (English) Zbl 1200.47026 Bull. Math. Anal. Appl. 1, No. 2, 23-35 (2009). Reviewer: Eungil Ko (Seoul) MSC: 47B20 47B37 × Cite Format Result Cite Review PDF Full Text: EuDML Link
Braha, Naim L. Absolutely summing operators in \(m_1(l_1)\). (English) Zbl 1126.47020 Albanian J. Math. 1, No. 1, 57-62 (2007). Reviewer: Dumitrŭ Popa (Constanţa) (MR2304266) MSC: 47B10 47B37 47B38 × Cite Format Result Cite Review PDF Full Text: Link
Braha, Naim L. Corrigendum to “Characterization of the absolutely summing operators in a Banach space using \(\mu\)-approximate sequences”. (English) Zbl 1195.47012 Matematiche 60, No. 1, 105-106 (2005). MSC: 47B10 46B99 × Cite Format Result Cite Review PDF
Braha, Naim L. Characterization of the absolutely summing operators in a Banach space using \(\mu\)-approximate sequences. (English) Zbl 1123.47301 Matematiche 60, No. 1, 121-128 (2005); corrigendum ibid. 62, No. 1, 105-106 (2007). Reviewer: Vakhtang V. Kvaratskhelia (Tbilisi) MSC: 47B10 46B99 × Cite Format Result Cite Review PDF