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Convexity: In mathematical finance, convexity refers to non-linearities in a financial model. In other words, if the price of an underlying variable changes, the price of an output does not change linearly, but depends on the second derivative (or, loosely ... (Finance) [100%] 2023-04-10 [Mathematical finance] [Convex geometry]...
Convexity (algebraic geometry): In algebraic geometry, convexity is a restrictive technical condition for algebraic varieties originally introduced to analyze Kontsevich moduli spaces M ¯ 0 , n ( X , β ) {\displaystyle {\overline {M}}_{0,n}(X,\beta )} in quantum cohomology.These moduli spaces are smooth orbifolds ... (Algebraic geometry) [100%] 2022-02-11 [Algebraic geometry]
Convexity: A term used in various branches of mathematics and indicating properties which generalize some properties of convex sets (cf. Convex set) in Euclidean spaces. (Mathematics) [100%] 2022-10-15
Bond convexity: In finance, bond convexity is a measure of the non-linear relationship of bond prices to changes in interest rates, the second derivative of the price of the bond with respect to interest rates (duration is the first derivative). In ... [70%] 2022-02-11 [Fixed income analysis] [Convex geometry]...
Non-convexity (economics): In economics, non-convexity refers to violations of the convexity assumptions of elementary economics. Basic economics textbooks concentrate on consumers with convex preferences (that do not prefer extremes to in-between values) and convex budget sets and on producers with ... (Finance) [70%] 2022-12-23 [Convex hulls] [Convex geometry]...
C-convexity: convexity in complex analysis A domain or compact subset $E$ in $\mathbf{C} ^ { n }$ is said to be $\mathbf{C}$-convex if for any complex line $\operatorname{l} \subset \mathbf{C} ^ { n }$ the intersection $E \cap \bf l$ is both ... (Mathematics) [70%] 2023-10-27
Non-convexity (economics): In economics, non-convexity refers to violations of the convexity assumptions of elementary economics. Basic economics textbooks concentrate on consumers with convex preferences (that do not prefer extremes to in-between values) and convex budget sets and on producers with ... (Economics) [70%] 2022-11-16 [Convex hulls] [Convex geometry]...
Polynomial convexity: Let $\mathcal{P}$ denote the set of holomorphic polynomials on $\mathbf{C} ^ { n }$ (cf. also Analytic function). (Mathematics) [70%] 2023-10-11
Convexity radius: convexity limit, , of a function The least upper bound of the radii of the spheres , each one of which is mapped into a convex domain; here, the function is defined on a domain of a metric space with metric and ... (Mathematics) [70%] 2023-10-12
Convexity, logarithmic: The property of a non-negative function $f$, defined on some interval, that can be described as follows: If for any $x_1$ and $x_2$ in this interval and for any $p_1 \ge 0$, $p_2 \ge 0$ with $p_1+p_2=1 ... (Mathematics) [70%] 2023-10-23
Geodesic convexity: In mathematics — specifically, in Riemannian geometry — geodesic convexity is a natural generalization of convexity for sets and functions to Riemannian manifolds. It is common to drop the prefix "geodesic" and refer simply to "convexity" of a set or function. [70%] 2023-09-06 [Convex optimization] [Riemannian manifolds]...
Riesz convexity theorem: The logarithm, $ \mathop{\rm ln} M( \alpha , \beta ) $, of the least upper bound of the modulus $ M( \alpha , \beta ) $ of the bilinear form $$ \sum_{i=1} ^ { m } \sum_{j=1} ^ { n } a _ {ij} x _ {i} y _ {j ... (Mathematics) [57%] 2024-01-12
Convexity in economics: Convexity is an important topic in economics. In the Arrow–Debreu model of general economic equilibrium, agents have convex budget sets and convex preferences: At equilibrium prices, the budget hyperplane supports the best attainable indifference curve. (Finance) [57%] 2023-09-21 [Convex hulls] [Convex geometry]...
Dystrichothorax convexior: Dystrichothorax convexior is a species of ground beetle in the subfamily Psydrinae. It was described by Baehr in 2004. (Biology) [54%] 2023-09-08 [Dystrichothorax]
Caelostomus convexior: Caelostomus convexior is a species of ground beetle in the subfamily Pterostichinae. It was described by Karl Jordan in 1894. (Species of beetle) [54%] 2024-09-12 [Caelostomus] [Beetles described in 1894]...
Psylliodes convexior: Psylliodes convexior, the hop flea beetle, is a species of flea beetle in the family Chrysomelidae. It is found in Central America and North America. (Biology) [54%] 2024-08-08 [Alticini]