Equal to about 57.2958 degrees, it's the angular measurement made by wrapping half the diameter around a circle
What is a radian?
Orwell's "____"
What is 1984?
Σ
What is sigma?
"Worldwide Differential Calculus"
Who is David Massey?
This geometric figure is famous for having infinite surface area, yet finite volume
What is Gabriel's horn?
Found in a 1970 Tom Wolfe book title, it's a chemistry term, a math quantity & a drastic word in politics.
What is radical?
The number of dalmatians in a Disney classic minus the number of "Angry Men" in a 1957 film.
What is 89?
μ
What is mu?
"Signature Ranks of Units in Cyclotomic Extensions of Abelian Number Fields"
Who is Evan Dummit?
This paradoxical collection, famously analogized using a barber, inspired the first notions of type theory for the foundations of mathematics.
What is the set of all sets, or the Russell set?
Slow down when you approach this type of set that contains elements common to 2 other sets.
What is an intersection?
"____ Men and a Baby" times "____ Degrees of Separation"
What is 18?
∃!
What is unique existential quantification or "there exists a unique"?
"View Invariants for Three-Dimensional Points with Constrained Observer Motion"
Who is Harm Derksen?
This well known real-valued function is continuous everywhere but differentiable nowhere.
What is the Weierstrass function?
A sexagesimal system is based on this number.
What is 60?
xyz, where x is "War and Peac_", y is "Live of __", and z is "_ Survived".
What is -1?
א
"Categorical braid group actions and cactus groups"
Who is Iva Halacheva?
This flawed proof by induction appears to prove a preposterous claim, but neigh, the first application of the inductive argument fails.
What is "All horses are the same color"?
In 1640 16-year-old Blaise Pascal came to math fame with an essay on these "sections"
What are conic sections?
(x + y) / 11, where x is 1953's "Fahrenheit ___" and y is 1961's "Catch-__".
What is 473?
⋉
"Stokes phenomena, Poisson-Lie groups and quantum groups"
Who is Valerio Toledano Laredo?
This two-valued function cannot be integrated using the familiar Riemann integral taught in calculus, instead requiring the more general Lebesgue integral.
What is the Dirichlet function?