Chajda, Ivan; Länger, Helmut Inexact residuation in effect algebras. (English) Zbl 1497.03069 J. Mult.-Val. Log. Soft Comput. 38, No. 1-2, 57-79 (2022). Reviewer: Jānis Cīrulis (Riga) MSC: 03G12 03B47 06A11 06B05 81P10 PDFBibTeX XMLCite \textit{I. Chajda} and \textit{H. Länger}, J. Mult.-Val. Log. Soft Comput. 38, No. 1--2, 57--79 (2022; Zbl 1497.03069) Full Text: Link
Chajda, Ivan; Länger, Helmut Semimodules over commutative semirings and modules over unitary commutative rings. (English) Zbl 07518417 Linear Multilinear Algebra 70, No. 7, 1329-1344 (2022). MSC: 06C15 13C13 16Y60 PDFBibTeX XMLCite \textit{I. Chajda} and \textit{H. Länger}, Linear Multilinear Algebra 70, No. 7, 1329--1344 (2022; Zbl 07518417) Full Text: DOI arXiv
Chajda, Ivan; Länger, Helmut Properties of implication in effect algebras. (English) Zbl 1487.03073 Math. Slovaca 71, No. 3, 523-534 (2021). Reviewer: Josef Tkadlec (Praha) MSC: 03G12 06C15 81P10 PDFBibTeX XMLCite \textit{I. Chajda} and \textit{H. Länger}, Math. Slovaca 71, No. 3, 523--534 (2021; Zbl 1487.03073) Full Text: DOI arXiv
Chajda, Ivan; Länger, Helmut Residuation in lattice effect algebras. (English) Zbl 1464.03095 Fuzzy Sets Syst. 397, 168-178 (2020). MSC: 03G12 06C15 81P10 PDFBibTeX XMLCite \textit{I. Chajda} and \textit{H. Länger}, Fuzzy Sets Syst. 397, 168--178 (2020; Zbl 1464.03095) Full Text: DOI arXiv
Chajda, Ivan; Länger, Helmut A non-associative generalization of effect algebras. (English) Zbl 1267.03061 Soft Comput. 16, No. 8, 1411-1414 (2012). Reviewer: Josef Tkadlec (Praha) MSC: 03G12 81P10 PDFBibTeX XMLCite \textit{I. Chajda} and \textit{H. Länger}, Soft Comput. 16, No. 8, 1411--1414 (2012; Zbl 1267.03061) Full Text: DOI