List of Theorems - H

H

• H-cobordism theorem (differential topology)
• H-theorem (thermodynamics)
• Haag's theorem (quantum field theory)
• Haag–Lopuszanski–Sohnius theorem (physics)
• Haboush's theorem (algebraic groups, representation theory, invariant theory)
• Hadamard three-circle theorem (complex analysis)
• Hadamard three-lines theorem (complex analysis)
• Hadwiger's theorem (geometry, measure theory)
• Hahn decomposition theorem (measure theory)
• Hahn embedding theorem (ordered groups)
• Hairy ball theorem (algebraic topology)
• Hahn–Banach theorem (functional analysis)
• Hahn–Kolmogorov theorem (measure theory)
• Hahn–Mazurkiewicz theorem (continuum theory)
• Hajnal–Szemerédi theorem (graph theory)
• Hales–Jewett theorem (combinatorics)
• Halpern–Lauchli theorem (Ramsey theory)
• Ham sandwich theorem (topology)
• Hammersley–Clifford theorem (probability)
• Hardy's theorem (complex analysis)
• Hardy–Littlewood maximal theorem (real analysis)
• Hardy–Littlewood tauberian theorem (mathematical analysis)
• Hardy–Ramanujan theorem (number theory)
• Harish–Chandra theorem (representation theory)
• Harish–Chandra's regularity theorem (representation theory)
• Harnack's curve theorem (real algebraic geometry)
• Harnack's theorem (complex analysis)
• Hartman–Grobman theorem (dynamical systems)
• Hartogs–Rosenthal theorem (complex analysis)
• Hartogs' theorem (complex analysis)
• Hartogs' extension theorem (several complex variables)
• Hasse norm theorem (number theory)
• Hasse's theorem on elliptic curves (number theory)
• Hasse–Arf theorem (local class field theory)
• Hasse–Minkowski theorem (number theory)
• Heckscher–Ohlin theorem (economics)
• Heine–Borel theorem (real analysis)
• Heine–Cantor theorem (metric geometry)
• Hellinger–Toeplitz theorem (functional analysis)
• Hellmann–Feynman theorem (physics)
• Helly–Bray theorem (probability theory)
• Helly's selection theorem (mathematical analysis)
• Helly's theorem (convex sets)
• Helmholtz theorem (classical mechanics) (physics)
• Helmholtz's theorems (physics)
• Herbrand's theorem (logic)
• Herbrand–Ribet theorem (cyclotomic fields)
• Higman's embedding theorem (group theory)
• Hilbert's basis theorem (commutative algebra,invariant theory)
• Hilbert's Nullstellensatz (theorem of zeroes) (commutative algebra, algebraic geometry)
• Hilbert–Schmidt theorem (functional analysis)
• Hilbert–Speiser theorem (cyclotomic fields)
• Hilbert–Waring theorem (number theory)
• Hilbert's irreducibility theorem (number theory)
• Hilbert's syzygy theorem (commutative algebra)
• Hilbert's theorem (differential geometry)
• Hilbert's theorem 90 (number theory)
• Hilbert projection theorem (convex analysis)
• Hille–Yosida theorem (functional analysis)
• Hindman's theorem (Ramsey theory)
• Hinge theorem (geometry)
• Hironaka theorem (algebraic geometry)
• Hirzebruch signature theorem (topology, algebraic geometry)
• Hirzebruch–Riemann–Roch theorem (complex manifolds)
• Hjelmslev's theorem (geometry)
• Hobby–Rice theorem (mathematical analysis)
• Hodge index theorem (algebraic surfaces)
• Hölder's theorem (mathematical analysis)
• Holditch's theorem (plane geometry)
• Holland's schema theorem (genetic algorithm)
• Holmström's theorem (economics)
• Hopf–Rinow theorem (differential geometry)
• Hurewicz theorem (algebraic topology)
• Hurwitz's automorphisms theorem (algebraic curves)
• Hurwitz's theorem (complex analysis)
• Hurwitz's theorem (normed division algebras)
• Hurwitz's theorem (number theory)