List of mathematical topics (M-O)

M

Machin, John -- Saunders MacLane -- Maclaurin, Colin -- Magic constant -- Magic square -- Magic star -- Magma (algebra) -- Magma category -- Magma object -- Magnetic monopole -- Magnetism -- Magnitude -- Magnitude (mathematics) -- Mahler's compactness theorem -- Mahler's theorem -- Mahlo cardinal -- Main diagonal -- Majority function -- Malcev -- Malnic, Aleksander -- Mandelbrot, Benoit -- Mandelbrot set -- Manhattan distance -- Manifold -- Mantissa -- Many-valued logic -- Map projection -- Map (mathematics) -- Mapping -- Margin of error -- Margulis -- Margulis, Grigory -- Markov, Andrei Andreevich -- Markov algorithm -- Markov chain -- Markov chain example -- Markov property -- Markov's inequality -- Marquardt, Donald -- Marriage theorem -- Marsden, Jerrold E. -- Martingale -- Martingale (roulette system) -- Marušič, Dragan -- Mascheroni, Lorenzo -- Maschke's theorem -- Mass -- Master theorem -- Material equivalence -- Material implication -- Math Counts -- Mathematica -- Mathematical analysis -- Mathematical Association of America -- Mathematical beauty -- Mathematical biology -- Mathematical constant -- Mathematical constructivism -- Mathematical expression -- Mathematical formula -- Mathematical formulation of quantum mechanics -- Mathematical game -- Mathematical induction -- Mathematical limit -- Mathematical logic -- Mathematical model -- Mathematical Morphology -- Mathematical notation -- Mathematical practice -- Mathematical problem -- Mathematical proof -- Mathematical relation -- Mathematical ring; see Ring (mathematics) -- Mathematical Sciences Research Institute -- Mathematical singularity -- Mathematical table -- Mathematical Tables Project -- Mathematical variety -- Mathematician -- Mathematics -- Mathematics and architecture -- Mathematics and art -- Mathematics and God -- Mathematics as a language -- Mathematics basic topics -- Mathematics Competitions -- Mathematics of origami -- Mathematics of the Western music scale -- Mathieu group -- MathWorld -- Matiyasevich's theorem -- Matrix -- Matrix addition -- Matrix decomposition -- Matrix exponential -- Matrix inversion -- Matrix multiplication -- Matrix representation of conic sections -- Matrix norm -- Matrix ring -- Matrix theory -- Matroid -- Max flow min cut theorem -- Maxima and minima -- Maxima computer algebra system -- Maximal ideal -- Maximal torus -- Maximum entropy -- Maximum flow problem -- Maximum likelihood -- Maxwell-Boltzmann distribution -- Maxwell's equations -- Maxwell's theorem -- Mayan numerals -- Mayer-Vietoris sequence -- McCarthy 91 function -- McMullen, Curtis T. -- MD5 -- Mean curvature -- Mean value theorem -- Meander (mathematics) -- Measurable cardinal -- Measurable function -- Measurable space -- Measure -- Measure of non-compactness -- Measure-preserving transformation -- Measure theory -- Mechanical advantage -- Mechanical calculator -- Mechanical equilibrium -- Median -- Meissel-Mertens constant -- Mellin transform -- Memorylessness -- Menelaus of Alexandria -- Menger, Karl -- Menger sponge -- Mercator, Nicholas -- Mercator projection -- Meromorphic function -- Mercer, James -- Mercer's theorem Talk:Mercer's theorem -- Mersenne, Marin -- MathML -- Mersenne prime -- Mersenne twister -- Mertens, Franz -- Mertens conjecture -- Mertens function -- Meta language -- Metacentre height -- Metamathematics -- Method of fluxions -- Method of least squares -- Method of successive substitution -- Metric -- Metric signature -- Metric space -- Metric topology -- Metrization theorems -- Metropolis, Nicholas -- Metropolis-Hastings algorithm -- Michelson-Morley experiment -- Middle-square method -- Millennium Prize Problems -- Miller-Rabin primality test -- Milnor, John -- Minesweeper (game) -- Minimal model -- Minimal polynomial -- Minimal surface -- Minimax theorem -- Minimum phase -- Minimum spanning tree -- Minkowski, Hermann -- Minkowski addition -- Minkowski-Bouligand dimension -- Minkowski inequality -- Minkowski space -- Minkowski's theorem -- Min-max theorem -- Minor (graph theory) -- Minor (linear algebra) -- Minsky, Marvin -- Minute of arc -- Mirror image -- Mirror symmetry -- Missing square puzzle -- Mitchell's embedding theorem -- Mixed complementarity -- Mixed tensor -- Mixing (mathematics) -- Mizar system -- Möbius, August Ferdinand -- Möbius function -- Möbius inversion formula -- Möbius strip -- Möbius transform -- Möbius transformation -- Model -- Model (abstract) -- Model checking -- Model theory -- Modified discrete cosine transform -- Modular arithmetic -- Modular curve Modular equation -- Modular form -- Modular function -- Modular group Gamma -- Modular group Gamma0 -- Modular group Lambda -- Module (mathematics) -- Moduli problem -- Modulo -- Modulus -- Modus ponens --Modular equation -- Mohr, Georg -- Mohr-Mascheroni theorem -- Moiré effect -- Moivre, Abraham de -- Moment -- Moment (mathematics) -- Moment (physics) -- Moment-generating function -- Moment about the mean -- Momentum -- Monge, Gaspard -- Monge array -- Monad (category theory) -- Monodromy -- Monoid -- Monoid ring -- Monoidal category -- Monomial -- Monomial order -- Monomorphism -- Monotone convergence theorem -- Monster group -- Monstrous moonshine -- Monte Carlo method -- Monty Hall problem -- Monty Hell problem -- Mordell conjecture -- Mordell-Weil theorem -- Moreau's necklace-counting function -- Morera's theorem -- Morgenstern, Oskar -- Mori, Shigefumi -- Morlet wavelet -- Morse theory -- Moser polygon notation -- Most significant bit -- Motive (mathematics) -- Moving frame -- Mrs. Miniver's problem -- M-theory -- Muir, Thomas -- Multidimensional scaling -- Multigrid -- Multi-index notation -- Multilinear algebra -- Multinomial theorem -- Multiperfect number -- Multiplication -- Multiplication algorithm -- Multiplication table -- Multiplicative function -- Multiplicative order -- Multiplicity -- Multiplier -- Multiply-accumulate -- Multiply perfect number -- Multiscale calculus -- Multiset -- Multivalued function -- Multivariable division algorithm -- Multivariate calculus -- Multivariate normal distribution -- Multivariate random variable -- Mumford, David -- Mumford conjecture -- Mutual information -- Mutually exclusive -- Myhill-Nerode Theorem -- Mysterious duality

N

N-body problem -- N-Mahlo cardinal -- N-sequence -- Nabla in cylindrical and spherical coordinates -- Naive Bayesian classification -- Naïve set theory -- Napier -- Napier, John -- Napier's bones -- Nash embedding theorem -- Nash equilibrium -- Nash, John Forbes -- Natarajan Saradha -- Natural cubic spline -- Natural deduction -- Natural logarithm -- Natural number -- Natural proof -- Natural representation -- Natural transformation -- Navier-Stokes equations -- NC -- Nearest neighbour relation -- Necessary and sufficient -- Necker cube -- Necklace problem -- Negabinary -- Negaternary -- Negative and non-negative numbers -- Negative binomial distribution -- Negative number -- Negligible set -- Neper -- Nernst equation Talk:Nernst equation -- Nerve of an open covering -- Nest algebra -- Net (mathematics) -- Network flow -- Network topology -- Neumann, John von -- Neumann boundary condition -- Neural network -- Neutral calculation -- Nevanlinna, Rolf -- New math -- NewPGen -- Newcomb's paradox -- Newton, Isaac -- Newton-Cotes formulas -- Newtonian limit -- Newtonian physics -- Newton polygon -- Newton polynomial -- Newton's laws of motion -- Newton's method -- Nilpotent -- Nilpotent group -- Nim -- Nimber -- Nine Chapters on the Mathematical Art, The -- Nine lemma -- Nine point circle -- No-cloning theorem -- Node -- Noether -- Noether, Emmy -- Noether's theorem -- Noetherian -- Noetherian ring -- No-ghost theorem -- Nomogram -- Nonary -- Non-commutative geometry -- Nonconstructive proof -- Noncrossing partition -- Non-Euclidean geometry -- Non-linear control -- Nonlinear dimensionality reduction -- Nonlinear dynamic system -- Non-linear dynamical system -- Nonlinear programming -- Nonlinearity -- Non-measurable set -- Nonminimum phase -- Nonstandard analysis -- Non-standard calculus -- Nonstandard model -- Nontotient -- Nonuniform rational B-spline -- Non-zero-sum -- Normal distribution -- Normal function -- Normal mapping -- Normal matrix -- Normal mode -- Normal morphism -- Normal number -- Normal operator -- Normal space -- Normal subgroup -- Normal vector -- Normalizing constant -- Normed division algebra -- Normed vector space -- North Suburban Mathematics League -- Novikov, Petr Sergeevich -- Novikov, Sergei Petrovich -- Nowhere continuous -- Nowhere dense -- NP -- NP-complete -- NP-easy -- NP-equivalent -- NP-hard -- NSA -- Null result -- Null set -- Null space -- Nullity -- Number -- Number line -- On the Number of Primes Less Than a Given Magnitude -- Number sign -- Number 13 -- Number 2 -- Number field -- Number names -- Number of the Beast (mathematics) -- Number system -- Number-theoretic transform -- Number theory -- Numeral -- Numeral system -- Numerator -- Numerical analysis -- Numerical aperture -- Numerical digit -- Numerical integration -- Numerical ordinary differential equations -- Numerical Recipes -- Numerical stability -- Nygaard, Kristen -- Nyquist, Harry -- Nyquist plot -- Nyqvist-Shannon interpolation formula -- Nyqvist-Shannon sampling theorem

O

Observable -- Octagon -- Octahedron -- Octal -- Octonion -- Odd function -- Odd number -- Odds -- Odds-ratio -- Offset logarithmic integral -- OISC -- Oka, Kiyoshi -- Olbers' paradox -- Omnipotence paradox -- On the Number of Primes Less Than a Given Magnitude -- Onsager reciprocal relations -- On-Line Encyclopedia of Integer Sequences -- One thousand seven hundred and twenty nine -- One-time pad -- One way function -- Open cover - Open map -- Open mapping theorem -- OpenMath -- Open sentence -- Open set -- Operand -- Operations research -- Operator -- Operator associativity -- Operator (physics) -- Operator algebra -- Operator norm -- Operator theory -- Optimal-substructure -- Optimization -- Optimization (mathematics) -- Oracle machine -- Orbifold -- Orbit (mathematics) -- Order automorphism -- Order ideal -- Order isomorphism -- Order of operations -- Order statistic -- Order theory glossary -- Order topology -- Ordered exponential -- Ordered field -- Ordered group -- Ordered pair -- Ordered partition of a set -- Ordered ring -- Ordered set -- Orders of approximation -- Orders of magnitude -- Orders of magnitude (data) -- Ordinal -- Ordinal number -- Ordinary differential equation -- Ordinate -- Orientability -- Orientable manifold -- Orlicz, Wladyslaw -- Orthocenter -- Orthocentric system -- Orthogonal -- Orthogonal functions -- Orthogonal group -- Orthogonal matrix -- Orthogonal polynomials -- Orthogonal projection -- Orthogonalization -- Orthographic projection -- Orthographic projection (geometry) -- Orthonormal -- Orthonormal basis -- Orthonormal matrix -- Oscillation (mathematics) -- Ostrogradsky, Mikhail Vasilievich -- Outer automorphism group -- Outer measure -- Outerplanar graph -- Outer product -- Outlier Overspill --