What Do You Know About Steinberg's Formula?

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  • 1/10 Questions

    When was Steinberg's formula introduced?

    • 1961
    • 1962
    • 1963
    • 1964
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About This Quiz

In the representation theory branch of mathematics, Steinberg's formula (or Steinberg formula) is the description of the variety of an unchangeable representation of a semisimple complex Lie polynomial and algebra in a tensor result of two final and irreducible representations.
It is the same as the Clebsch–Gordan formula occasionally and an aftermath of the Weyl character formula.

What Do You Know About Steinbergs Formula? - Quiz

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  • 2. 
    What is a mathematical expression that can be evaluated in a finite number of operations? - ProProfs

    What is a mathematical expression that can be evaluated in a finite number of operations?

    • Closed-form expression

    • Unitary representation

    • Denominator formulation

    • Multiplicity determinant

    Correct Answer
    A. Closed-form expression
    Explanation
    A closed-form expression is a mathematical expression that can be evaluated in a finite number of operations. It is a formula that directly gives the value of a function or a number, without the need for iterative calculations or approximations. It can be written using a finite number of standard mathematical operations, such as addition, subtraction, multiplication, division, exponentiation, and logarithms. Closed-form expressions are often preferred because they provide a concise and exact representation of a mathematical relationship or solution.

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  • 3. 
    Which parameter of the Steinberg's formula describes the characters of irreducible representations of compact Lie groups in terms of their highest weights? - ProProfs

    Which parameter of the Steinberg's formula describes the characters of irreducible representations of compact Lie groups in terms of their highest weights?

    • Konstant Partition

    • Schur's theory

    • Unitary representation

    • Weyl character formula

    Correct Answer
    A. Weyl character formula
    Explanation
    The Weyl character formula is a parameter of the Steinberg's formula that describes the characters of irreducible representations of compact Lie groups in terms of their highest weights. It provides a way to calculate the characters of these representations, which are important in the study of Lie groups and their representations. The formula relates the characters to the weights of the representations, allowing for a deeper understanding of the structure and properties of these groups.

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  • 4. 
    Which is these is the dimension of a maximal torus in a compact Lie group called? - ProProfs

    Which is these is the dimension of a maximal torus in a compact Lie group called?

    • Rank

    • Deil

    • Area

    • Tori

    Correct Answer
    A. Rank
    Explanation
    In the context of a compact Lie group, the dimension of a maximal torus is referred to as the "rank." The rank represents the maximum number of linearly independent elements in the Cartan subalgebra of the Lie algebra associated with the Lie group. It is a fundamental concept in the theory of Lie groups and Lie algebras, and plays a crucial role in various aspects of their study and classification. Therefore, "rank" is the correct answer for the dimension of a maximal torus in a compact Lie group.

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  • 5. 
    What is an abstract group that admits a formal description in terms of reflections or kaleidoscopic mirrors? - ProProfs

    What is an abstract group that admits a formal description in terms of reflections or kaleidoscopic mirrors?

    • Coxeter group

    • Lyman group

    • Linc group

    • Approxi group

    Correct Answer
    A. Coxeter group
    Explanation
    A Coxeter group is an abstract group that can be described in terms of reflections or kaleidoscopic mirrors. It is named after H.S.M. Coxeter, who extensively studied these groups. Coxeter groups have a set of generators and relations that define their structure, and they have many interesting properties and applications in various areas of mathematics, such as geometry and algebra.

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  • 6. 
    When was the Weyl character formula first proved? - ProProfs

    When was the Weyl character formula first proved?

    • 1920

    • 1925

    • 1930

    • 1935

    Correct Answer
    A. 1925
    Explanation
    The Weyl character formula was first proved in 1925.

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  • 7. 
    How many parts has the Peter–Weyl theorem? - ProProfs

    How many parts has the Peter–Weyl theorem?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 3
    Explanation
    The Peter-Weyl theorem states that any finite-dimensional unitary representation of a compact group can be decomposed into a direct sum of irreducible representations. This decomposition can be written as a direct sum of a finite number of parts, where each part corresponds to a different irreducible representation. Therefore, the correct answer is 3, indicating that the Peter-Weyl theorem has three parts in its decomposition.

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  • 8. 
    What is a compact, connected, abelian Lie subgroup in a compact Lie group?   - ProProfs

    What is a compact, connected, abelian Lie subgroup in a compact Lie group?  

    • Rank

    • Maxim

    • Torus

    • Portion

    Correct Answer
    A. Torus
    Explanation
    A compact, connected, abelian Lie subgroup in a compact Lie group is referred to as a torus. This is because a torus is a type of compact, connected, abelian Lie subgroup that can be found in a compact Lie group.

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  • 9. 
    Which is a type of graph with some edges doubled or tripled? - ProProfs

    Which is a type of graph with some edges doubled or tripled?

    • Brown's curve

    • Linc's curve

    • Linc's diagram

    • Dynkin diagram

    Correct Answer
    A. Dynkin diagram
    Explanation
    A Dynkin diagram is a type of graph that has some edges doubled or tripled. It is a mathematical tool used in the study of Lie algebras and root systems. The diagram represents the structure of the algebra or system, with nodes representing the simple roots and edges representing the relationships between them. The doubling or tripling of edges indicates certain special properties or symmetries within the system.

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  • 10. 
    Which is a part of the Peter–Weyl theorem? - ProProfs

    Which is a part of the Peter–Weyl theorem?

    • The complete reducibility of unitary representations of a compact Lie group

    • The orthonormal basis of unitary representations of a compact Lie group

    • The decomposition of square functions of a compact Lie group

    • The harmonic analysis of unitary representations of a compact Lie group

    Correct Answer
    A. The complete reducibility of unitary representations of a compact Lie group
    Explanation
    The Peter-Weyl theorem states that any unitary representation of a compact Lie group can be decomposed into a direct sum of irreducible representations. This means that the representation can be completely reduced into its irreducible components. Therefore, the correct answer is "The complete reducibility of unitary representations of a compact Lie group."

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  • Mar 21, 2023
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  • May 27, 2018
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