TERMIUM Plus®

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HYPERBOLIC POINT [7 records]

Record 1 2004-02-05

English

Subject field(s)
  • Meteorological Forecasting, Data Measurement and Analysis
DEF

Point in a streamline field, analogous to a col in an isobaric field, at which a convergence line and a divergence line intersect.

French

Domaine(s)
  • Prévisions météorologiques et mesure et analyse des données
DEF

Dans un champ de lignes de courant, point analogue à un col dans un champ d'isobares où se coupent une ligne de convergence et une ligne de divergence.

Spanish

Campo(s) temático(s)
  • Previsiones meteorológicas, medición y análisis de datos
DEF

Punto, en un campo de líneas de corriente, semejante a un collado en un campo de isobaras, en que se cruzan una línea de convergencia y una línea de divergencia.

Save record 1

Record 2 2003-07-29

English

Subject field(s)
  • Meteorology
DEF

Bow, similar to a rainbow, often hyperbolic in shape, formed by the refraction and reflection of the Sun’s rays in dew drops.

CONT

Dew bows are rainbows which form in spherical dew droplets. The bows are relatively rare; usually you only see a portion of the dewbow in a spiderweb, a wall, or on grass and vegetation. Some grasses may show the dewbow very nicely while others will not. The dewbow appears spherical around the antisolar point, but if you see it projected on the ground, the projection may look elliptical, parabolic or hyperbolic depending on solar altitude.

Key term(s)
  • dew-bow

French

Domaine(s)
  • Météorologie
DEF

Arc, semblable à l'arc-en-ciel, souvent de forme hyperbolique, formé au sol par la réfraction et la réflexion des rayons du Soleil dans les gouttes de rosée.

OBS

Pluriel : arcs-en-terre.

Spanish

Campo(s) temático(s)
  • Meteorología
DEF

Arco, similar al arco iris, a menudo de forma hiperbólica, formado por la refracción y la reflexión de los rayos solares en las gotas de rocío.

Save record 2

Record 3 1994-07-08

English

Subject field(s)
  • Mathematics
CONT

... the existence of a homoclinic point often implies the existence of a hyperbolic invariant set on which the map is chaotic.

OBS

Contrast with heteroclinic point.

OBS

Degenerate homoclinic point, nondegenerate homoclinic point, transverse homoclinic point.

French

Domaine(s)
  • Mathématiques

Spanish

Save record 3

Record 4 1994-07-08

English

Subject field(s)
  • Mathematics
DEF

A point where there is no tangent because clockwise and counterclockwise chords oscillate in well-defined angles ...

French

Domaine(s)
  • Mathématiques

Spanish

Save record 4

Record 5 1994-04-28

English

Subject field(s)
  • Mathematics
  • Computer Graphics
CONT

To define a hyperbolic set, we first recall the situation near a hyperbolic fixed point. Basically, there were two ingredients to hyperbolicity, a rate of expansion or contraction, given by the eigenvalues of the Jacobian matrix at the point, and a direction of expansion or contraction, given by the associated eigenvector.

French

Domaine(s)
  • Mathématiques
  • Infographie
DEF

Propriété géométrique qui implique une convergence des trajectoires dans une direction et leur divergence dans une autre direction.

OBS

On la retrouve dans l'attracteur de Hénon et dans la transformation d'un cercle en ellipse, caractérisés par l'étirement des longueurs dans une direction et leur contraction dans la direction perpendiculaire.

PHR

hyperbolicité équilatère.

Spanish

Save record 5

Record 6 1991-05-16

English

Subject field(s)
  • Mathematics
CONT

Thus a map near a hyperbolic fixed point is always locally topologically conjugate to its derivative.

CONT

It is an easy exercise using the Implicit Function Theorem to show that hyperbolic fixed and periodic points must persist under small perturbation....

French

Domaine(s)
  • Mathématiques
OBS

Le point fixe est stable ou instable.

Spanish

Save record 6

Record 7 1991-05-16

English

Subject field(s)
  • Mathematics
CONT

There are three types of hyperbolic periodic points: sinks, sources, and saddles.

CONT

It is an easy exercise using the Implicit Function Theorem to show that hyperbolic fixed and periodic points must persist under small perturbation....

French

Domaine(s)
  • Mathématiques

Spanish

Save record 7

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