Chen, Jianlong; Mosić, Dijana; Xu, Sanzhang On a new generalized inverse for Hilbert space operators. (English) Zbl 1492.47002 Quaest. Math. 43, No. 9, 1331-1348 (2020). Reviewer: Nacib Gurgel Albuquerque (João Pessoa) MSC: 47A05 47B02 × Cite Format Result Cite Review PDF Full Text: DOI
Mursaleen, M.; Pourhadi, E.; Saadati, R. Solvability of infinite systems of second-order differential equations with boundary conditions in \(\ell_P\). (English) Zbl 1484.34062 Quaest. Math. 43, No. 9, 1311-1330 (2020). MSC: 34A33 34B15 34B27 47N20 × Cite Format Result Cite Review PDF Full Text: DOI
Sun, Jiancai; Yu, Yi On irreducible representations of a certain subalgebra of extended Schrödinger-Virasoro Lie algebra. (English) Zbl 1498.17046 Quaest. Math. 43, No. 9, 1303-1310 (2020). MSC: 17B68 17B66 × Cite Format Result Cite Review PDF Full Text: DOI
Gao, Dongdong; Li, Jianli Infinitely many solutions for impulsive fractional differential equations through variational methods. (English) Zbl 1460.34012 Quaest. Math. 43, No. 9, 1285-1301 (2020). MSC: 34A08 34B37 58E05 × Cite Format Result Cite Review PDF Full Text: DOI
Sahami, A. Approximate biflatness and approximate biprojectivity of some Banach algebras. (English) Zbl 1460.46070 Quaest. Math. 43, No. 9, 1273-1284 (2020). Reviewer: Mart Abel (Tartu) MSC: 46M10 46H99 22D15 43A20 × Cite Format Result Cite Review PDF Full Text: DOI
Khan, Abdul Nadim; Ali, Shakir; Alhazmi, Husain; De Filippis, Vincenzo On skew derivations and generalized skew derivations in Banach algebras. (English) Zbl 1473.46050 Quaest. Math. 43, No. 9, 1259-1272 (2020). MSC: 46H05 16W25 47B47 × Cite Format Result Cite Review PDF Full Text: DOI
Song, Yan-Kui; Xuan, Wei-Feng On almost star \(\sigma\)-compact spaces. (English) Zbl 1518.54016 Quaest. Math. 43, No. 9, 1247-1257 (2020). Reviewer: David B. Gauld (Auckland) MSC: 54D20 54C10 × Cite Format Result Cite Review PDF Full Text: DOI
Niroomand, Peyman; Shamsaki, Afsaneh Nilpotent Lie algebras having the Schur multiplier of maximum dimension. (English) Zbl 1487.17021 Quaest. Math. 43, No. 9, 1239-1246 (2020). Reviewer: Ernest L. Stitzinger (Raleigh) MSC: 17B30 17B05 17B99 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Ahmed, Tarek Sayed Interpolation and amalgamation in modal cylindric algebras. (English) Zbl 1461.03059 Quaest. Math. 43, No. 9, 1209-1238 (2020). Reviewer: Jānis Cīrulis (Riga) MSC: 03G15 03B45 03B50 03C40 × Cite Format Result Cite Review PDF Full Text: DOI
Özçağ, Selma; Yıldız, Filiz Revisiting di-uniformity and full-dinormality via dicovers. (English) Zbl 1484.54029 Quaest. Math. 43, No. 9, 1185-1208 (2020). MSC: 54E55 54A05 54D20 54A40 06D10 × Cite Format Result Cite Review PDF Full Text: DOI