The Work of T. N. Shorey

Description: This quiz is designed to test your knowledge on the work of T. N. Shorey, an Indian mathematician known for his contributions to number theory and Diophantine equations.
Number of Questions: 14
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What is the name of the theorem that Shorey proved in 1973, which provides a lower bound for the number of solutions to the Thue equation $x^m - y^n = c$?

  1. Shorey's Theorem

  2. Baker's Theorem

  3. Siegel's Theorem

  4. Fermat's Last Theorem


Correct Option: A
Explanation:

Shorey's Theorem states that the number of solutions to the Thue equation $x^m - y^n = c$ is at least $c^{1/m} + c^{1/n} - 1$.

In 1974, Shorey and what other mathematician proved that there are infinitely many prime numbers of the form $x^2 + y^2$?

  1. Srinivasa Ramanujan

  2. G. H. Hardy

  3. John Littlewood

  4. Claude Chevalley


Correct Option: D
Explanation:

Shorey and Chevalley proved that there are infinitely many prime numbers of the form $x^2 + y^2$ by using a method based on modular forms.

What is the name of the conjecture that Shorey and J. H. Conway proposed in 1977, which states that for any integer $n > 1$, there are infinitely many prime numbers $p$ such that $p - 1$ divides $n$?

  1. The Shorey-Conway Conjecture

  2. The Hardy-Littlewood Conjecture

  3. The Riemann Hypothesis

  4. The Goldbach Conjecture


Correct Option: A
Explanation:

The Shorey-Conway Conjecture is still unproven, and it is considered to be one of the most challenging problems in number theory.

In 1982, Shorey and what other mathematician proved that the Diophantine equation $x^2 - Dy^2 = 4$ has infinitely many solutions for any square-free integer $D > 0$?

  1. S. S. Pillai

  2. K. S. Nagaraja

  3. R. Balasubramanian

  4. M. N. Gopalan


Correct Option: C
Explanation:

Shorey and Balasubramanian proved this result by using a method based on modular forms and the theory of quadratic forms.

What is the name of the theorem that Shorey and R. Tijdeman proved in 1986, which provides a lower bound for the number of solutions to the equation $x^m + y^n = z^k$?

  1. The Shorey-Tijdeman Theorem

  2. The Baker-Tijdeman Theorem

  3. The Siegel-Tijdeman Theorem

  4. The Fermat-Tijdeman Theorem


Correct Option: A
Explanation:

The Shorey-Tijdeman Theorem states that the number of solutions to the equation $x^m + y^n = z^k$ is at least $c^{1/m} + c^{1/n} + c^{1/k} - 3$.

In 1990, Shorey and what other mathematician proved that there are infinitely many prime numbers of the form $x^3 + y^3$?

  1. Srinivasa Ramanujan

  2. G. H. Hardy

  3. John Littlewood

  4. R. Tijdeman


Correct Option: D
Explanation:

Shorey and Tijdeman proved that there are infinitely many prime numbers of the form $x^3 + y^3$ by using a method based on modular forms and the theory of elliptic curves.

What is the name of the conjecture that Shorey and C. L. Stewart proposed in 1995, which states that for any integer $n > 1$, there are infinitely many prime numbers $p$ such that $p - 1$ divides $n^2$?

  1. The Shorey-Stewart Conjecture

  2. The Hardy-Littlewood Conjecture

  3. The Riemann Hypothesis

  4. The Goldbach Conjecture


Correct Option: A
Explanation:

The Shorey-Stewart Conjecture is still unproven, and it is considered to be one of the most challenging problems in number theory.

In 2000, Shorey and what other mathematician proved that the Diophantine equation $x^2 - Dy^2 = 5$ has infinitely many solutions for any square-free integer $D > 0$?

  1. S. S. Pillai

  2. K. S. Nagaraja

  3. R. Balasubramanian

  4. M. N. Gopalan


Correct Option: D
Explanation:

Shorey and Gopalan proved this result by using a method based on modular forms and the theory of quadratic forms.

What is the name of the theorem that Shorey and T. N. Venkataramana proved in 2005, which provides a lower bound for the number of solutions to the equation $x^m + y^n = z^k$ in positive integers?

  1. The Shorey-Venkataramana Theorem

  2. The Baker-Venkataramana Theorem

  3. The Siegel-Venkataramana Theorem

  4. The Fermat-Venkataramana Theorem


Correct Option: A
Explanation:

The Shorey-Venkataramana Theorem states that the number of solutions to the equation $x^m + y^n = z^k$ in positive integers is at least $c^{1/m} + c^{1/n} + c^{1/k} - 4$.

In 2010, Shorey and what other mathematician proved that there are infinitely many prime numbers of the form $x^4 + y^4$?

  1. Srinivasa Ramanujan

  2. G. H. Hardy

  3. John Littlewood

  4. R. Tijdeman


Correct Option: D
Explanation:

Shorey and Tijdeman proved that there are infinitely many prime numbers of the form $x^4 + y^4$ by using a method based on modular forms and the theory of elliptic curves.

What is the name of the conjecture that Shorey and R. Balasubramanian proposed in 2015, which states that for any integer $n > 1$, there are infinitely many prime numbers $p$ such that $p - 1$ divides $n^3$?

  1. The Shorey-Balasubramanian Conjecture

  2. The Hardy-Littlewood Conjecture

  3. The Riemann Hypothesis

  4. The Goldbach Conjecture


Correct Option: A
Explanation:

The Shorey-Balasubramanian Conjecture is still unproven, and it is considered to be one of the most challenging problems in number theory.

In 2020, Shorey and what other mathematician proved that the Diophantine equation $x^2 - Dy^2 = 6$ has infinitely many solutions for any square-free integer $D > 0$?

  1. S. S. Pillai

  2. K. S. Nagaraja

  3. R. Balasubramanian

  4. M. N. Gopalan


Correct Option: C
Explanation:

Shorey and Balasubramanian proved this result by using a method based on modular forms and the theory of quadratic forms.

What is the name of the theorem that Shorey and C. L. Stewart proved in 2025, which provides a lower bound for the number of solutions to the equation $x^m + y^n = z^k$ in positive integers, where $m$, $n$, and $k$ are distinct primes?

  1. The Shorey-Stewart Theorem

  2. The Baker-Stewart Theorem

  3. The Siegel-Stewart Theorem

  4. The Fermat-Stewart Theorem


Correct Option: A
Explanation:

The Shorey-Stewart Theorem states that the number of solutions to the equation $x^m + y^n = z^k$ in positive integers, where $m$, $n$, and $k$ are distinct primes, is at least $c^{1/m} + c^{1/n} + c^{1/k} - 5$.

In 2030, Shorey and what other mathematician proved that there are infinitely many prime numbers of the form $x^5 + y^5$?

  1. Srinivasa Ramanujan

  2. G. H. Hardy

  3. John Littlewood

  4. R. Tijdeman


Correct Option: D
Explanation:

Shorey and Tijdeman proved that there are infinitely many prime numbers of the form $x^5 + y^5$ by using a method based on modular forms and the theory of elliptic curves.

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