What Do You Know About Reductive Dual Pairs?

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This is part of the representation theory in mathematics. A reductive dual pair is termed as a pair of two subgroups under the isometry group. After the introduction of the theorem, it has been effectively used for mathematical expressions and calculations. In this quiz, you will learn more about the basic concepts of this theorem.

Questions and Answers
• 1.

Who introduced the theorem?

• A.

Roger Howe

• B.

Matt Ashley

• C.

Thomas Howe

• D.

Clifford Griffin

Correct Answer
A. Roger Howe
Explanation
Roger Howe is the correct answer because he is the one who introduced the theorem. The other options, Matt Ashley, Thomas Howe, and Clifford Griffin, are not associated with the theorem's introduction.

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• 2.

When was it introduced?

• A.

1960s

• B.

1970s

• C.

1980s

• D.

1990s

Correct Answer
B. 1970s
Explanation
The correct answer is 1970s. This suggests that the "it" being referred to in the question was introduced in the 1970s. However, without further context or information, it is not possible to determine what exactly was introduced during that time.

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• 3.

When was it published?

• A.

1989

• B.

1969

• C.

1979

• D.

1999

Correct Answer
A. 1989
Explanation
The correct answer is 1989. This indicates that the publication in question was released in the year 1989.

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• 4.

What does Sp(W) represent?

• A.

Glitzla group

• B.

Spectial group

• C.

Sub-group

• D.

Isometry group

Correct Answer
D. Isometry group
Explanation
Sp(W) represents the isometry group. Isometry refers to a transformation that preserves distances between points. In this context, Sp(W) represents the set of all isometries that preserve the structure of the given space W. It is a group because it satisfies the group axioms, such as closure, associativity, identity element, and inverse element. Therefore, the correct answer is the isometry group.

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• 5.

What does X represent?

• A.

N-dimensional vector space

• B.

Dual

• C.

Direction

• D.

Space

Correct Answer
A. N-dimensional vector space
Explanation
X represents an n-dimensional vector space. A vector space is a mathematical structure that consists of vectors and operations such as addition and scalar multiplication. The term "n-dimensional" indicates that the vector space has n dimensions or components. Each component of a vector in this space represents a different quantity or variable. Therefore, X represents a space that can accommodate vectors with n components, making it an n-dimensional vector space.

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• 6.

What does Y represent?

• A.

N-dimensional vector space

• B.

Dual

• C.

Direction

• D.

Space

Correct Answer
B. Dual
Explanation
Y represents the dual of the n-dimensional vector space. In mathematics, the dual space of a vector space V is the set of all linear functionals on V. It consists of all possible linear maps from V to the underlying field (often real or complex numbers). The dual space is itself a vector space, and its dimension is equal to the dimension of the original vector space. Therefore, Y represents the dual space, which consists of linear functionals on the n-dimensional vector space.

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• 7.

What does W represent?

• A.

Differences between X and Y

• B.

Sum of X and Y

• C.

Multiplication of X and Y

• D.

X/Y

Correct Answer
B. Sum of X and Y
Explanation
The correct answer is "Sum of X and Y." The letter W represents the sum of X and Y. This means that if you add X and Y together, the result is represented by W.

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• 8.

What does G represent in G′ of Sp(W)?

• A.

Decentralizer

• B.

Centralizer

• C.

Group

• D.

Free space

Correct Answer
B. Centralizer
Explanation
G in G′ of Sp(W) represents the centralizer. The centralizer is a subgroup of the symplectic group Sp(W) that consists of all elements that commute with every element in W. It stabilizes the subspace W and preserves its properties. Therefore, the correct answer is Centralizer.

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• 9.

What does G denote?

• A.

Two-element group

• B.

Full symplectic group

• C.

Subgroup

• D.

Complete group

Correct Answer
B. Full symplectic group
Explanation
The correct answer is the Full symplectic group. The Full symplectic group is a mathematical group that consists of linear transformations preserving the symplectic form. It is denoted by Sp(2n, F), where n is the dimension of the vector space and F is the field over which the vector space is defined. The Full symplectic group has applications in various areas of mathematics, such as symplectic geometry and quantum mechanics.

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• 10.

What does G′ represent?

• A.

Two-element group

• B.

Full symplectic group

• C.

Subgroup

• D.

Complete group

Correct Answer
A. Two-element group
Explanation
G′ represents a two-element group. This means that G′ consists of only two elements, which can be any two distinct elements. In a two-element group, there is an identity element and another element that is not equal to the identity. The group operation in G′ is closed, associative, and every element has an inverse.

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• Current Version
• Mar 19, 2023
Quiz Edited by
ProProfs Editorial Team
• Jul 22, 2018
Quiz Created by
AdeKoju

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