# Geometry

## Objectives

The student is supposed to acquire basic knowledge on inner product spaces and analytic geometry (vide syllabus) in a deductive and critical perspective

## General characterization

##### Code

10974

##### Credits

6.0

##### Responsible teacher

Ana Cristina Malheiro Casimiro

##### Hours

Weekly - 5

Total - 70

##### Teaching language

Português

### Prerequisites

Familiarity eith to the contents of Linear Algebra I.

### Bibliography

1. Monteiro, A., Álgebra Linear e Geometria Analítica, McGraw-Hill de Portugal, 2001.

2. Anton, H., and Rorres, C., Elementary Linear Algebra - Applications Version, 8th Edition, John Wiley & Sons, 2000.

3. Giraldes, E., Fernandes, V. H., and Marques-Smith, M. P., Álgebra Linear e Geometria Analítica, McGraw-Hill de Portugal, 1995.

4. Santana, P., Queiró, J.F., Introdução à Álgebra linear, Gradiva 2010

5. Lipschutz, S., Linear Algebra - Shaum''''s Outline of Theory and Problems

### Teaching method

There are classes in which theory is lectured and illustrated by examples. There are also problem-solving sessions. Some exercises are left to the students to be solved on their own as part of their learning process.

### Evaluation method

Available soon

## Subject matter

1. Inner product spaces – Definition of inner product and elementary properties. Euclidean space and unitary space. Matrix of an inner product (relative to a fixed basis). Norm. Schwarz inequality. Triangle inequality. Angle between two non-zero vectors of a euclidean space. Orthogonal and orthonormal (finite) vector systems. Gram-Schmidt orthogonalization process. Orthogonal complement. Cross product and mixed product.

2. Bilinear forms and quadratic forms – Definitions and elementary properties. Polar form.

3. Affine Geometry.

3.1 Affine spaces – Definition and dimension. Affine euclidean space. Affine subspace. Incidence propositions. Coordinate system of an affine space. Point coordinates. Vectorial, cartesian and parametric equations of affine subspaces.

3.2 Euclidean or metric geometry in euclidean affine spaces –Orthogonal affine subspaces. Distance and angles. Quadric surfaces.