moduli

  • 31Gromov–Witten invariant — In mathematics, specifically in symplectic topology and algebraic geometry, Gromov–Witten (GW) invariants are rational numbers that, in certain situations, count pseudoholomorphic curves meeting prescribed conditions in a given symplectic… …

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  • 32Donaldson–Thomas theory — In mathematics, specifically algebraic geometry, Donaldson–Thomas theory is the theory of Donaldson–Thomas invariants. Given a compact moduli space of sheaves on a Calabi–Yau threefold, its Donaldson–Thomas invariant is the virtual number of its… …

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  • 33Riemann surface — For the Riemann surface of a subring of a field, see Zariski–Riemann space. Riemann surface for the function ƒ(z) = √z. The two horizontal axes represent the real and imaginary parts of z, while the vertical axis represents the real… …

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  • 34Dynamic mechanical analysis — Dynamic Mechanical Analyzer Acronym DMA Classification Thermal analysis Manufacturers Bose Electroforce Group, Mettler Toledo, Netzsch Instruments, PerkinElmer, TA Instruments, Triton Technology Ltd, Gabo Other techniques Related Isothermal… …

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  • 35Bulk modulus — Incompressibility redirects here. For the topic in fluid dynamics, see Compressibility. Illustration of uniform compression The bulk modulus (K) of a substance measures the substance s resistance to uniform compression. It is defined as the… …

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  • 36List of nonlinear partial differential equations — In mathematics and physics, nonlinear partial differential equations are (as their name suggests) partial differential equations with nonlinear terms. They describe many different physical systems, ranging from gravitation to fluid dynamics, and… …

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  • 37Shear modulus — SI symbol: G SI unit: gigapascal Derivations from other quantities: G = τ / γ …

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  • 38Pluricanonical ring — In mathematics, the pluricanonical ring of an algebraic variety V (which is non singular), or of a complex manifold, is the graded ring R(V,K)=R(V,K V) of sections of powers of the canonical bundle K .Its n th graded component (for ngeq 0) is::R… …

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  • 39Drinfel'd module — In mathematics, a Drinfel d module (or elliptic module) is roughly a special kind of module over a ring of functions on a curve over a finite field, generalizing the Carlitz module. Loosely speaking, they provide a function field analogue of… …

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  • 40Enriques–Kodaira classification — In mathematics, the Enriques–Kodaira classification is a classification of compact complex surfaces into ten classes. For each of these classes, the surfaces in the class can be parametrized by a moduli space. For most of the classes the moduli… …

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