21210211 -
Metodi matematici per la finanza
(objectives)
The aim of the course is, on one hand, to broaden and consolidate the acquisition of the mathematical method as a fundamental investigation tool for economic, financial and business disciplines, and, on the other hand, to provide the necessary notions for understanding the financial markets and the main financial instruments. In particular, we will provide tools in the field of risk analysis and management in the financial markets.
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MAZZOCCOLI ALESSANDRO
( syllabus)
Linear algebra. Eigenvalues, eigenvectors, eigenspace, diagonalization of matrices, eigenvalues of symmetric matrices, properties of eigenvalues.
Sets in R*2 and in R*n. Metric spaces, normed spaces. Topology in R*n.
Real functions of several real variables. Functions defined between Euclidean spaces, graphs, contour lines, continuous functions, concave functions and convex functions.
Differential calculus in several variables. Partial derivatives, gradient, higher order derivatives, Hessian matrix, Schwartz theorem, Taylor polynomial.
Bilinear and quadratic forms. Definitions, sign of quadratic forms, minor principal of a matrix, sign of a matrix.
Free optimization. Definitions, first-order conditions, second-order conditions; optimization for convex functions.
Graphs. Oriented graph, vertices and arcs, successor function, undirected graph, vertices and incident arcs, outgoing and incoming arcs, empty graph, order and size of a graph, adjacent vertices, neighborhood, multi-graph, loop, simple graph, degree of a vertex, isolated vertex. Lemma of handshakes and its corollary. Incoming degree and outgoing degree, graphs with maximum dimension, complete graphs, weighted graph, weighted incoming degree and weighted outgoing degree. Mathematical representation of an unweighted graph (oriented and unoriented). Adjacency matrix of an undirected graph, sum over rows and columns, degree vector; adjacency matrix of an oriented graph, sum over rows and columns; adjacency matrix of a multigraph. Mathematical representation of a weighted graph: adjacency matrix. Cucker-Smale model. Adjacency lists, isomorphism between graphs, permutation matrices, Theorem on isomorphic graphs and permutation matrices, eigenvalues of adjacency matrices, Theorem on isomorphic graphs and eigenvalues. Isomorphism between graphs and degree distribution of vertices. Walks on undirected graphs: walk, length of a walk, simple walk, closed walk (cycle), simple cycle, acyclic graph. Walks on oriented graphs. Power k-th of adjacency matrix. Power k-th theorem of adjacency matrix, subgraph, connected vertices, connected graph, components, maximal connected subgraph, bridge, minimal path, distance between vertices, distance matrix. Subjacent graph, weakly connected graph, strongly connected graph, weight of a path, minimum path for weighted graphs. Minimum weight path: properties of subpaths of a minimum path. Dijkstra algorithm for oriented and nonoriented graphs. Definition of centrality, degree centrality, betweenness and closeness.
( reference books)
Mastroeni - Mazzoccoli. Matematica per le applicazioni economiche PEARSON
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VELLUCCI PIERLUIGI
( syllabus)
Linear algebra. Eigenvalues, eigenvectors, eigenspace, diagonalization of matrices, eigenvalues of symmetric matrices, properties of eigenvalues. Permutation matrices.
Sets in R*2 and in R*n. Metric spaces, regulated spaces. Topology in R*n.
Real functions of several real variables. Functions defined between Euclidean spaces, graphs, contour lines, continuous functions, concave functions and convex functions.
Differential calculus in several variables. Partial derivatives, gradient, higher order derivatives, Hessian matrix, Schwartz theorem, Taylor polynomial.
Bilinear and quadratic forms. Definitions, sign of quadratic forms, principal minors of a matrix, sign of a matrix.
Optimization. Definitions, first order conditions, second order conditions; optimization for convex functions. Least squares method, regression line.
Implicit functions. Dini's theorem, geometric interpretation of the theorem, regular points, gradient theorem.
Graphs. Recalls of combinatorial calculus. Directed graph, vertices and edges, successor function, undirected graph, incident vertices and edges, outgoing and incoming edges, empty graph, order and dimension of a graph, adjacent vertices, neighborhood, multi-graph, loop, simple graph, degree of a vertex, isolated vertex. Lemma of handshakes and its corollary. Incoming degree and outgoing degree, graphs with maximum size, complete graphs, weighted graph, weighted incoming degree and weighted outgoing degree. Mathematical representation of an unweighted graph (directed and not). Adjacency matrix of an undirected graph, sum by rows and by columns, degree vector; adjacency matrix of a directed graph, sum by rows and by columns; adjacency matrix of a multigraph. Mathematical representation of a weighted graph: adjacency matrix. Cucker-Smale model. Galam's model. Adjacency lists, isomorphism between graphs, permutation matrices, Theorem on isomorphic graphs and permutation matrices, eigenvalues of adjacency matrices, Theorem on isomorphic graphs and eigenvalues. Isomorphism between graphs and vertex degree distribution. Paths on undirected graphs: path, length of a path, simple path, closed path (cycle), simple cycle, acyclic graph. Walks on directed graphs. kth power of the adjacency matrix. Theorem of the k-th power of the adjacency matrix, subgraph, connected vertices, connected graph, components, maximal connected subgraph, bridge, shortest path, distance between vertices, distance matrix. Underlying graph, weakly connected graph, strongly connected graph, weight of a path, shortest path for weighted graphs. Shortest weight path: properties of subpaths of a shortest path. Dijkstra's algorithm for directed and undirected graphs. Definition of centrality, degree centrality, betweenness and closeness.
( reference books)
Recommended: Mastroeni - Mazzoccoli. Mathematics for economic applications PEARSON Notes and other material downloadable online from the course on the Moodle platform at: https://economia.el.uniroma3.it/
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9
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SECS-S/06
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60
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Core compulsory activities
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ITA |