Online First articles
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Intrinsic linking and knotting are arbitrarily complexin directed graphs Bulletin Polish Acad. Sci. Math. MSC: Primary 05C10; Secondary 57K10, 05C20, 05C35. DOI: 10.4064/ba210704-8-7 Published online: 20 July 2021
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Weyl’s theorem for commuting tuples ofparanormal and $\ast $-paranormal operators Bulletin Polish Acad. Sci. Math. MSC: 47A10, 47A13, 47A53, 47A60, 47B20. DOI: 10.4064/ba210325-13-6 Published online: 25 July 2021
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A note on the solution set of the equation $[L_1^r,P_1]=[P_2,L_2^s]$ for given linear forms $L_1,L_2$ Bulletin Polish Acad. Sci. Math. MSC: Primary 14R15, 13N15; Secondary 17B63. DOI: 10.4064/ba210123-12-7 Published online: 29 July 2021
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Unions of chainable continua with the fixed point property Bulletin Polish Acad. Sci. Math. MSC: Primary 54F15, 54H25; Secondary 54G20. DOI: 10.4064/ba210729-30-7 Published online: 30 August 2021
