Course detail

# Mathematics IV

Complex-valued functions, limit, continuity and derivative. Cauchy-Riemann conditions, analytic functions. Conformal mappings performed by analytic function.
Curves in space, curvature and torsion. Frenet frame, Frenet formulae.
Explicit, implicit and parametric form of the equation of the surface in the space, first fundamental form of a surface and its applications, second fundamental form of a surface, normal and geodetic curvature of a surface, curvature and asymptotic lines on a surface, mean and total curvature of a surface, elliptic, parabolic, hyperbolic and rembilical points of a surface.

Department

Institute of Mathematics and Descriptive Geometry (MAT)

Learning outcomes of the course unit

Students will achieve the subject's main objectives:
Understanding the basics of the theory of functions of a complex variable.
Understanding the basics of differential geometry of 3D curves and surfaces.

Prerequisites

Basic properties of complex numbers as taught at secondary schools. Basics of integral calculus of functions of one variable and the basic interpretations. Basics of calculus. Differentiation. Basics of calculus of two- and more-functions. Partial differentiation.

Co-requisites

Not applicable.

Recommended optional programme components

Not applicable.

ERWIN KREYSZIG: Differential geometry. Akademische Verlagsgesellschaft, Leipzig, 1957. (EN)
S.P.FINIKOV: Diferencialnaja geometrija. Moskva, 1961. (RU)
DIRK.J.STRUIK: Lectures on classical differential geometry. Addison - Wesley publishing Massachutes USA, 1961. (EN)
DLOUHÝ O., TRYHUK V.: Vybrané části funkce komplexní proměnné a diferenciální geometrie. FAST VUT v Brně, 2010. [https://intranet.fce.vutbr.cz/pedagog/predmety/opory.asp] (CS)

Planned learning activities and teaching methods

Not applicable.

Assesment methods and criteria linked to learning outcomes

Not applicable.

Language of instruction

Czech

Work placements

Not applicable.

Course curriculum

1. Complex numbers, basic operations, displaying, n-th root. Complex functions.
2. Limit, continuity, derivative of a complex function, Cauchy-Riemann conditions.
3. Analytical functions. Conform mapping implemented by an analytical function.
4. Conform mapping implemented by an analytical function.
5. Planar curves, singular points on a curve.
6. 3D curves, curvature and torsion.
7. Frenet trihedral, Frenet formulas.
8. Explicit, implicit, and parametric equations of a surface.
9. The first basic form of a surface and its use.
10. The second basic form of a surface. Normal and geodetic curvature of a surface. Meusnier's theorem.
11. Asymptotic curves on a surface.
12. Mean and total curvature of a surface.
13. Elliptic, hyperbolic, parabolic and circular points of a surface.

Aims

Understanding the basics of the theory of functions of a complex variable.
Understanding the basics of differential geometry of 3D curves and surfaces.

Specification of controlled education, way of implementation and compensation for absences

Extent and forms are specified by guarantor’s regulation updated for every academic year.

Classification of course in study plans

• Programme N-P-C-GK Master's

branch GD , 1. year of study, winter semester, 5 credits, compulsory

#### Type of course unit

Lecture

26 hours, optionally

Teacher / Lecturer

Exercise

26 hours, compulsory

Teacher / Lecturer