# Take Our Quiz About Rieman-hilbert Correspondance

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Questions: 10 | Attempts: 116  Settings  Everybody knows that mathematics have lots of disciplines and for those who've never been good with math a name like Rieman-Hilbert Correspondance will certainly intimidate them. Our quiz will test your knowledge about this theory. Try it ans see how much you truly know about it.

• 1.

### What's the Riemann surface?

• A.

It's a one-dimensional complex manifold.

• B.

It's a two-dimensional complex manifold.

• C.

It's a three-dimensional complex manifold.

• D.

It's a four-dimensional complex manifold.

A. It's a one-dimensional complex manifold.
Explanation
The Riemann surface is a one-dimensional complex manifold. This means that it can be represented as a surface in the complex plane, with each point on the surface corresponding to a unique complex number. It is called a one-dimensional manifold because it can be locally parameterized by a single complex coordinate, and it is complex because it involves complex numbers. This concept is important in complex analysis and has applications in various areas of mathematics and physics.

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• 2.

### What's a fundamental group?

• A.

It's a mathematical group associated to two precise given pointed topological space.

• B.

It's a mathematical group associated to three precise given pointed topological space.

• C.

It's a mathematical group associated to any given pointed topological space.

• D.

It's a mathematical group associated to any given pointed topological shape.

C. It's a mathematical group associated to any given pointed topological space.
Explanation
The fundamental group is a mathematical group that is associated with any given pointed topological space. This group is used to study the properties and structure of the space, particularly in algebraic topology. By considering the loops and paths in the space starting and ending at a fixed point, the fundamental group captures important information about the connectivity and homotopy of the space. This group is an important tool in understanding the topological properties of spaces and is widely used in various branches of mathematics and physics.

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• 3.

### What's a complex manifold?

• A.

It's a manifold with an atlas of charts to the open unit disk in C^c, such that the transition maps are holomorphic

• B.

It's a manifold with an atlas of charts to the open unit disk in C^x, such that the transition maps are holomorphic

• C.

It's a manifold with an atlas of charts to the open unit disk in C^n, such that the transition maps are polymorphic

• D.

It's a manifold with an atlas of charts to the open unit disk in C^n, such that the transition maps are holomorphic

D. It's a manifold with an atlas of charts to the open unit disk in C^n, such that the transition maps are holomorphic
Explanation
A complex manifold is a manifold that can be described using an atlas of charts to the open unit disk in C^n, where C represents the complex numbers and n represents the dimension of the manifold. The key condition is that the transition maps between the charts in the atlas must be holomorphic, meaning they preserve complex differentiability. This definition captures the essential properties of a complex manifold, allowing for the study of complex analysis and geometry on these spaces.

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• 4.

### What's a D-module?

• A.

It's a module over a ring C of differential operators.

• B.

It's a module over a ring D of differential operators.

• C.

It's a module over a ring M of differential operators.

• D.

It's a module over a ring A of differential operators.

B. It's a module over a ring D of differential operators.
Explanation
A D-module is a module over a ring D of differential operators. This means that the module is equipped with a collection of differential operators that act on its elements. The ring D consists of these differential operators, which can be used to differentiate functions or other objects in the module. Therefore, the correct answer is that a D-module is a module over a ring D of differential operators.

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• 5.

### What's the other term for local systems?

• A.

Local coefficients

• B.

Local theorems

• C.

Local axe

• D.

Local measure

A. Local coefficients
Explanation
Local coefficients refer to the values assigned to variables in a specific region or locality. This term is commonly used in mathematics and physics to describe the varying values of coefficients in different parts of a system or equation.

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• 6.

### How can one define the Riemann-Hilbert problems?

• A.

As being a class of problems that arise in the study of sequences.

• B.

As being a class of problems that arise in the study of equations.

• C.

As being a class of problems that arise in the study of differential equation in the complex plane.

• D.

As being a class of problems that arise in the study of differential equation in the complex curve.

C. As being a class of problems that arise in the study of differential equation in the complex plane.
Explanation
The Riemann-Hilbert problems are a class of problems that arise in the study of differential equations in the complex plane. These problems involve finding a solution to a system of differential equations that satisfies certain boundary conditions. The complex plane refers to the two-dimensional space where complex numbers are represented, and the differential equations studied in this context involve complex-valued functions and their derivatives. By understanding and solving these Riemann-Hilbert problems, researchers can gain insights into various mathematical and physical phenomena.

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• 7.

### What does the condition of regular singularities mean?

• A.

That locally constant section of the bundle have moderate growth at point Y

• B.

That locally constant section of the bundle have moderate growth at points of Y-X

• C.

That locally constant section of the bundle have moderate growth at points of Y+X

• D.

That locally constant section of the bundle have moderate growth at point X

B. That locally constant section of the bundle have moderate growth at points of Y-X
Explanation
The condition of regular singularities means that locally constant sections of the bundle have moderate growth at points of Y-X. This means that the sections do not have exponential growth or decay at these points, but rather a more moderate growth rate.

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• 8.

### What happens when x is compact?

• A.

The condition of growing singularities is vacuous.

• B.

The condition of constant singularities is vacuous.

• C.

The condition of regular singularities is vacuous.

• D.

The condition of degrading singularities is vacuous.

C. The condition of regular singularities is vacuous.
Explanation
When x is compact, it means that x is closed and bounded. In this context, the condition of regular singularities being vacuous means that there are no singularities in the function that are not well-behaved or have any irregular behavior. Therefore, when x is compact, there are no irregular singularities present in the function.

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• 9.

### How many isomorphism classes can be found in the Riemann-Hilbert correspondence?

• A.

3

• B.

2

• C.

4

• D.

5

B. 2
Explanation
The Riemann-Hilbert correspondence is a fundamental result in mathematics that establishes a connection between complex analysis and linear differential equations. It states that there are two isomorphism classes in the Riemann-Hilbert correspondence. Isomorphism classes refer to distinct types or categories that are equivalent under certain transformations. Therefore, the correct answer is 2.

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• 10.

### What's one of the isomorphism classes found?

• A.

Intersection cosmology

• B.

Intersection cohomology

• C.

Intersection mycology

• D.

Intersections

B. Intersection cohomology
Explanation
Intersection cohomology is one of the isomorphism classes found. This is a mathematical concept that studies the cohomology of singular spaces. It provides a way to understand the topology and geometry of these spaces by considering the intersection of various subspaces. Intersection cohomology has applications in algebraic geometry, topology, and representation theory, making it an important topic in mathematics.

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