Johannes van der Corput, also known as Jan van der Corput, was a Dutch mathematician, born on 20 November 1905 and died on 24 December 1991. He is best known for his contributions to the fields of analysis and number theory. One of his significant achievements is the development of the van der Corput method, which is a technique used in the study of exponential sums and has applications in various areas of number theory and harmonic analysis.

Johan Jensen was a Danish mathematician known for his work in mathematical analysis, particularly in the field of convergence and the theory of series. He was born on March 30, 1874, and passed away on June 29, 1959. One of his significant contributions is Jensen's inequality, which is a fundamental result in convex analysis. The inequality characterizes the relationship between the value of a convex function at the average of points and the average of the function values at those points.

Jerzy Browkin is not a widely recognized name or concept in popular culture, history, literature, or notable public figures up to my last knowledge update in October 2023. It is possible that Jerzy Browkin could refer to a lesser-known individual, a character in a specific work of fiction, or someone who has gained attention after that date.

Jeffrey Shallit is a computer scientist known for his work in the fields of theoretical computer science, automata theory, and formal languages. He has made significant contributions to the understanding of algorithms, computational theory, and the relationships between various mathematical structures. Shallit is also known for his work on combinatorial number theory and has authored or co-authored several academic papers and books on these topics.

Jeffrey Hoffstein is a mathematician known for his work in number theory and algebraic geometry, as well as for his contributions to cryptography. He has been involved in research related to the mathematical foundations of cryptographic systems and has contributed to various areas including lattice-based cryptography. Hoffstein is a professor at Brown University and has authored or co-authored numerous papers and publications in his field.

Jean-Pierre Wintenberger is a French mathematician known for his work in the field of number theory, particularly in relation to the theory of Diophantine equations. He has contributed significantly to the study of transcendental numbers and has associated interests in formal mathematics and mathematical logic.

Jean-Marie De Koninck is a Canadian mathematician known for his work in number theory and mathematical analysis. He has contributed significantly to various areas within mathematics and is recognized for his research and academic achievements. He has held positions at the Université de Montréal and has been involved in teaching and mentoring students in the field of mathematics.

Jean-Louis Nicolas is not widely recognized as a prominent historical figure or celebrity in popular culture as of my last training cut-off in October 2023. It could be a less well-known person or a fictional character, or perhaps related to a specific field such as sciences, arts, or business.

Jean-Louis Colliot-Thélène is a prominent French mathematician known for his contributions to algebraic geometry, particularly in the areas of algebraic cycles, motives, and the theory of algebraic forms. He has worked extensively on themes related to the conjectures of motives and the study of rational points on algebraic varieties. Colliot-Thélène has published numerous papers and has been influential in advancing the understanding of these complex topics within mathematics.

Jan Hendrik Bruinier is a Dutch mathematician known for his contributions to number theory, particularly in the area of modular forms and modular functions. His research often involves the study of special functions, lattice point counting, and the theory of automorphic forms. He has published numerous papers and is recognized within the mathematical community for his work in these fields.

James Whitbread Lee Glaisher (1800–1903) was a prominent British mathematician, astronomer, and geodesist. He is known for his contributions to various fields, including astronomy and mathematics, particularly in the study of astronomical observations and the development of new mathematical techniques. Glaisher was a fellow of the Royal Society and made significant contributions to the understanding of mathematical functions, notably the theory of elliptic integrals and continued fractions.

James Cullen is a mathematician known for his contributions in various areas of mathematics, including algebra and number theory. He is particularly noted for his work in correlation between mathematics and the arts, as well as his interest in promoting mathematical understanding through visual and creative means. His contributions also include research associated with mathematical education and outreach.

James Ax is a fictional character, a name, or a reference that may appear in various contexts, such as literature, films, games, or other forms of media. However, without more context, it is difficult to determine who or what "James Ax" specifically refers to.

James A. Clarkson may refer to individuals with that name, but there's no widely recognized figure or significant entity known specifically as "James A. Clarkson" that is universally acknowledged in popular culture, academia, or any notable field as of my last update in October 2023. If you could provide more context or specify the area of interest (e.g.

Jacques de Billy is likely a reference to a historical figure from the 16th century, specifically Jacques de Billy (sometimes spelled "Jacques de Billy" or "Jacques de Billy de la Salle"). He was a notable French lawyer and bureaucrat, known for his contributions to legal and administrative reforms during his lifetime. However, there isn't a wealth of widely known information available about him.

Jacques Tilouine does not appear to be a widely recognized figure or term in public knowledge up to October 2023. It's possible that he is a private individual, a lesser-known professional, or a character from a specific work of art or literature.

Jacob Tsimerman is a mathematician known for his work in the areas of analysis, particularly in harmonic analysis, partial differential equations, and related fields. He has made significant contributions to the study of various mathematical problems, often relating to the intersection of different areas within mathematics. His research has been recognized in the mathematical community, and he has held academic positions at various institutions.

J. W. S. Cassels, whose full name is John William Scott Cassels, was a noted mathematician known for his contributions to number theory and algebraic geometry. He is particularly recognized for his work related to Diophantine equations and is well-known for Cassels' conjecture regarding the set of rational points on certain algebraic varieties. He has also contributed to the study of algebraic groups and local fields.

Ivan Vinogradov was a prominent Russian mathematician known for his contributions to number theory, particularly in the field of additive number theory. He is best known for his work on the Goldbach conjecture, which suggests that every even integer greater than 2 can be expressed as the sum of two prime numbers. Vinogradov made significant advancements in this area and is celebrated for Vinogradov's theorem, which states that every sufficiently large odd integer can be expressed as the sum of three prime numbers.

Ivan M. Niven (1915–2018) was a prominent American mathematician known for his contributions to number theory. He was particularly recognized for his work in the areas of combinatorial number theory and Diophantine approximations. Niven also authored several influential textbooks and has a well-known result in number theory called "Niven's theorem," which characterizes the rational numbers that can be expressed as the ratio of two integers.