Media type: E-Article Title: The undecidability of the word problems for projective geometries and modular lattices Contributor: Lipshitz, L. imprint: American Mathematical Society (AMS), 1974 Published in: Transactions of the American Mathematical Society, 193 (1974), Seite 171-180 Language: English DOI: 10.1090/s0002-9947-1974-0364040-2 ISSN: 0002-9947; 1088-6850 Keywords: Applied Mathematics ; General Mathematics Origination: Footnote: Description: <p>We show that the restricted word problems for finite-dimensional projective geometries and finite modular lattices and the word problem for modular lattices are undecidable.</p> Access State: Open Access