What Do You Know About The Artin Conductor?

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What Do You Know About The Artin Conductor? - Quiz

In the early 1930s, an Austrian mathematician of Armenian descent called Emil Artin introduced the Artin conductor as an expression appearing in the functional equation of an Artin L-function.
In addition, the Artin conductor is used to define the conductor of an abelian variety or an elliptic curve and also appears in the conductor-discriminant formula for the discriminant of a global field.


Questions and Answers
  • 1. 

    Who invented the Artin conductor?

    • A.

      Josh Artin

    • B.

      Emil Artin

    • C.

      Charles Artin

    • D.

      Kyle Artin

    Correct Answer
    B. Emil Artin
    Explanation
    Emil Artin is credited with inventing the Artin conductor. He was a renowned Austrian mathematician who made significant contributions to the field of algebraic number theory. The Artin conductor is a concept in mathematics that relates to the behavior of certain types of functions associated with number fields. Emil Artin's work on the conductor has had a profound impact on the study of algebraic number theory and has been widely influential in the field.

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  • 2. 

    What does L represent?

    • A.

      Finite Galois Expression

    • B.

      Infinite Galois Expression

    • C.

      Length

    • D.

      Logarithmic value 

    Correct Answer
    A. Finite Galois Expression
    Explanation
    L represents a finite Galois expression. Galois expressions are mathematical expressions that involve algebraic operations and roots of polynomials. A finite Galois expression means that the expression has a limited number of terms and operations, and it does not involve an infinite or unbounded sequence.

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  • 3. 

    What does K represent?

    • A.

      Local field

    • B.

      Surrounding field

    • C.

      Keptic value

    • D.

      Krystal value

    Correct Answer
    A. Local field
    Explanation
    The correct answer is "Local field." The term "K" represents the local field. In physics and materials science, the local field refers to the electromagnetic field experienced by an atom or molecule due to the presence of neighboring atoms or molecules. This local field can influence various properties and behaviors of the atom or molecule, such as its electronic structure and interactions with other particles. Therefore, "K" in this context represents the local field.

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  • 4. 

    Which character is the Artin conductor associated to? 

    • A.

      Real number

    • B.

      Galois value

    • C.

      Galois group

    • D.

      Logarithmic group

    Correct Answer
    B. Galois value
    Explanation
    The Artin conductor is a concept in number theory that is associated with a Galois representation. It measures the ramification of a Galois representation at a prime number. The Galois value is the correct answer because it refers to the values taken by the Galois representation. The other options, real number, Galois group, and logarithmic group, are not directly related to the Artin conductor.

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  • 5. 

    In which year was the theorem introduced? 

    • A.

      1926

    • B.

      1928

    • C.

      1930

    • D.

      1932

    Correct Answer
    C. 1930
    Explanation
    The theorem was introduced in 1930.

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  • 6. 

    It appears as an expression in which equation? 

    • A.

      Functional equation

    • B.

      Simultaneous equation

    • C.

      Multivariate value

    • D.

      Polynomial equation

    Correct Answer
    A. Functional equation
    Explanation
    The given question asks about the appearance of an expression in which equation. The correct answer is "Functional equation" because a functional equation is an equation in which the unknowns are functions. It involves expressing a function in terms of one or more other functions. This type of equation is commonly used in mathematics to study the behavior of functions and find solutions that satisfy certain conditions.

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  • 7. 

    What does G represent?

    • A.

      Galois group

    • B.

      Galois value

    • C.

      Galois equation

    • D.

      Galois number

    Correct Answer
    A. Galois group
    Explanation
    The correct answer is Galois group. In mathematics, the Galois group is a fundamental concept in Galois theory, which is the study of field extensions and their automorphisms. The Galois group of a field extension is a group that encodes information about the symmetries of the field extension. It is named after Évariste Galois, a French mathematician who made significant contributions to the theory. Therefore, G represents the Galois group in this context.

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  • 8. 

    If L is unramified over K, then the Artin conductors of all χ are what?

    • A.

      Zero

    • B.

      One

    • C.

      Two

    • D.

      Three

    Correct Answer
    A. Zero
    Explanation
    If L is unramified over K, it means that there are no ramification points or branch points in the extension field L. The Artin conductor measures the ramification behavior of a character χ associated with the extension L/K. Since there is no ramification in this case, the Artin conductors of all χ will be zero.

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  • 9. 

    The sum of the higher order terms is with which of these? 

    • A.

      I < 0

    • B.

      I > 0

    • C.

      I = 1

    • D.

      I = 2

    Correct Answer
    B. I > 0
    Explanation
    The given answer "i > 0" suggests that the sum of the higher order terms is only possible when the value of "i" is greater than zero. This means that the terms with higher powers of "i" will contribute to the sum only when "i" is a positive number. If "i" is less than zero or equal to zero, the higher order terms will not be included in the sum. Therefore, the correct answer is "i > 0".

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  • 10. 

    How do we define the Artin representation Ag?

    • A.

      The complex linear representation of G with this character

    • B.

      The simple linear representation of G with this character

    • C.

      The trigonometric representation of G with this character

    • D.

      The exponential representation of G with this character

    Correct Answer
    A. The complex linear representation of G with this character
    Explanation
    The Artin representation Ag is defined as the complex linear representation of G with this character. This means that it is a representation of the group G using complex numbers, where the character of the representation is a function that assigns a complex number to each element of the group. The complex linear representation allows us to study the group G using linear algebra techniques and understand its properties in terms of complex numbers.

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