and singular points, at which some coefficient has a singularity. Then amongst singular points, an important distinction is made between a regular singular...

point of an algebraic variety that is not singular is said to be regular. An algebraic variety that has no singular point is said to be non-singular or...

Non-singular point Normal point Parshin point Periodic point Pinch point Point (geometry) Point source Rational point Recurrent point Regular point, Regular...

{\textstyle u''\equiv {\frac {d^{2}u}{dz^{2}}}} . in the vicinity of the regular singular point z = 0 {\displaystyle z=0} . One can divide by z 2 {\displaystyle...

a singular point on a curve is one where the curve is not given by a smooth embedding of a parameter. The precise definition of a singular point depends...

an infinite cardinal number that is not a regular cardinal Singular point of a curve, in geometry Singularity (disambiguation) Singulair, Merck trademark...

a singularity is by definition no longer part of the regular spacetime and cannot be determined by "where" or "when". Gravitational singularities exist...

In mathematics, a singularity is a point at which a given mathematical object is not defined, or a point where the mathematical object ceases to be well-behaved...

where two of the three regular singularities merge into an irregular singularity. The term confluent refers to the merging of singular points of families...

removable singularity of a holomorphic function is a point at which the function is undefined, but it is possible to redefine the function at that point in such...

not have any singular point. A surface with no singular point is called regular or non-singular. The study of surfaces near their singular points and the...

differential equation (ODE). Every second-order linear ODE with three regular singular points can be transformed into this equation. For systematic lists...

{1/4-\mu ^{2}}{z^{2}}}\right)w=0.} It has a regular singular point at 0 and an irregular singular point at ∞. Two solutions are given by the Whittaker...

analytic at x = a {\displaystyle x=a} or a {\displaystyle a} is a regular singular point. That is, any solution to this second-order differential equation...

bricks Regular map (algebraic geometry), a map between varieties given by polynomials Regular point, a non-singular point of an algebraic variety Regular point...

In the theory of ordinary differential equations, a movable singularity is a point where the solution of the equation behaves badly and which is "movable"...

cardinals that are not regular are called singular cardinals. Finite cardinal numbers are typically not called regular or singular. In the presence of the...

case p is called a regular point of the map f, otherwise, p is a critical point. A point q ∈ N {\displaystyle q\in N} is a regular value of f if all points...

inflected parts of regular verbs are given in detail in the article on English verbs. In summary they are as follows: The third person singular present tense...

In mathematics, regular surface may refer to: Regular surface (differential geometry) Non-singular algebraic variety of dimension two This disambiguation...

or to a critical point which is also an inflection point, or to a singular point. For a function of several real variables, a point P (that is a set of...

the problem of resolution of singularities asks whether every algebraic variety V has a resolution, which is a non-singular variety W with a proper birational...

inflection point is a point on the graph at which the second derivative has an isolated zero and changes sign. In algebraic geometry, a non singular point of...

to the end of most nouns. Regular English plurals fall into three classes, depending upon the sound that ends the singular form: In English, there are...

matrix is evaluated at a point P on the curve, then the point is a smooth or regular point; otherwise it is a singular point. In particular, if the curve...

"Asymptotic Solution of Differential Equations in a Domain Containing a Regular Singular Point". Canadian Journal of Mathematics. 8: 97–104. doi:10.4153/CJM-1956-015-6...

that the problem is regular instead of singular, will fail. Some show how the problem may be solved by more sophisticated singular methods. Differential...

y\in \mathrm {dom} (X)} . Similarly to the regular case, an integrable singular distribution defines a singular foliation, which intuitively consists in...

derivative may be omitted, although, in this case, the singularity may look like a regular point. For a curve defined by an implicit equation F ( x , y...

nontrivial monodromy and an essential singularity. In geometric function theory, unqualified use of the term branch point typically means the former more restrictive...