User:Richard Pinch/redlinks

• genus field
• Hilbert class field
• Köthe conjecture
• characteristic of a ring
• Hardy–Littlewood conjecture, singular series
• Hypothesis H, Schinzel hypothesis
• Tauberian theorem
• Siegel zero
• permutation representation
• radical extension
• First Isomorphism Theorem
• operad
• tropical algebra, tropical geometry
• abelian extension
• Artin conductor
• cyclic extension
• ramification, tame ramification, wild ramification
• linear series
• biquadratic residue, quartic residue
• cubic reciprocity, quartic reciprocity
• direct limit
• Priestley space
• matrix product
• partition of a set
• wedge product
• smash product
• Reed–Solomon code
• Dilworth theorem
• Ax–Kochen theorem
• Sturm comparison theorem
• Hurwitz problem, Hurwitz–Radon theorem
• Tarski–Seidenberg theorem
• Birch–Swinnerton-Dyer conjecture
• Tsen–Lang theory
• $p$-field
• $C_1$-field
• ultrapower
• catenary ring, universally catenary ring
• valuation ring, discrete valuation ring
• Goldie ring
• syndrome, syndrome decoding
• quaternionic structure
• numerical semi-group, telescopic semi-group
• divisibility sequence, elliptic divisibility sequence
• Somos sequence
• Knaster–Tarski fix-point theorem
• dendriform algebra
• combinatorial species
• free differential calculus, Fox derivative
• Myhill–Nerode theorem, Myhill–Nerode bialgebra
• incidence algebra
• composition algebra
• Sturmian sequence
• algebraic integer, maximal order
• colimit
• Hurwitz matrix
• cocyclic group
• Nottingham group
• adjugate matrix
• transducer
• oligomorphic group -- Cameron, Peter J. Oligomorphic permutation groups. LMS Lecture Note Series 152 ISBN 0 521 38836 8 (Cambridge University Press, 1990) Zbl 0813.20002 DOI 10.1017/CBO9780511549809
• Catalan number, Motzkin number
• unlikely intersection -- Zannier, U. "Some problems of unlikely intersections in arithmetic and geometry" with appendices by David Masser, Annals of Mathematics Studies 181 ISBN 978-0-691-15371-1 (Princeton University Press, 2012) Zbl 1246.14003
• Ulm subgroup --László Fuchs; "Abelian Groups" (Springer, 2015) ISBN 3-319-19422-4 Zbl 1416.20001
• quandle, rack, shelf -- Mohamed Elhamdadi, Sam Nelson, "Quandles" Student Mathematical Library 74 (American Mathematical Soc., 2015) ISBN 1470422131
• pregroup, protogroup -- J. Stallings, Group theory and three-dimensional manifolds (Yale Univ. Monogr. 4, 1971) Zbl 0241.57001
• Gelfand–Naimark theorem
• Zaremba conjecture
• Freiman homomorphism
• Stern–Brocot tree -- C. Reutenauer, From Christoffel words to Markoff numbers, Oxford, 2019 ISBN 978-0-19-882754-2