yusuke1997/dblp-id-title huggingface dataset:
Unlocking Your Bike the Easy Way
Approximations to π Derived from Integrals with Nonnegative Integrands
Curves in Cages: An Algebro-Geometric Zoo
Using Rolling Circles to Generate Caustic Envelopes Resulting from Reflected Light
Bar Bets and Generating Functions: The Distribution of the Separation of Two Distinct Card Ranks
Perfect Squares as Concatenation of Consecutive Integers
Modular Divisor Functions and Quadratic Reciprocity
Entire Limit: 11278
How Many Subspaces Force Linearity?
Problem 11028
Don't the Problem Ebitees Read the Monthly? 11043
SPOILERS: Solutions and Explanations - The Mathematics of Crossword Puzzles: In Celebration of Karen Hunger Parshall
Law of Cosines - A Proof Without Words
A Group That Is Not Finitely Generated: 10835
Problem 11371
Errata for 2004: Fibonacci in Complex Camouflage: 10858
The Books Studied by Ramanujan in India
Evaluation of an Integral: 11035
A Possibly New Proof of the Law of Cos
The Friendship Theorem
Problem 11176
A New Proof of the Equivalence of the Cauchy Mean Value Theorem and the Mean Value Theorem
On the Radon-Nikodym Theorem
The Minimum Median: 10880
Problem 10920
Mathematics at the Turn of the Millennium
Another Proof That the Real Numbers ℝ Are Uncountable
A Generalization of Hall's Theorem: 10701
Problem 10935
More AGM Inequalities: 11347 [2008, 167]
"Little Boxes Made of Ticky-Tacky": 11060
Problem 11229
The Orthocenter of a Simplex: 11087
"Lights Out" and Variants
Partial Fractions and Riesz' Interpolation Formula for Trigonometric Polynomials
A Point with Given Distances: 11057
Lagrange's Identity and Congressional Apportionment
Solution of an Odds Inversion Problem
Matroids and the Minimum Rank Problem for Matrix Patterns
Using the "Freshman's Dream" to Prove Combinatorial Congruences
Problem 11016
Problem 11011
Problem 11292
Combinatorics of Barycentric Subdivision and Characters of Simplicial Two-Complexes
Getting the Same Weighted Average Two Ways: 10737
Problem 11054
Rigid and Very Rigid Tetrahedra: 10717
Bernoulli, Stirling, and Stirling: 10700
A Millennial Polynomial Problem: 10802
On Direct and Inverse Proportionality
Maximum of a Polynomial on the Unit Circle: 10779
Iterated Exponentials
Problem 11469
Problem 11225
Legendre's Singular Modulus
Sliding along a Chord through a Rotating Earth
Is ℚ a Disjoint Union of Strictly Monotone Sequences?
An Elementary Proof of the Hitting Time Theorem
Segmentally Alternating Series
Generalizing Wallis' Formula
Hanging Around in Non-Uniform Fields
Avoiding Uncountably Many Subsets: 10667
Intersecting Curves: 10712
Calculus Mysteries and Thrillers by R. Grant Woods; How to Ace Calculus: The Streetwise Guide by Colin Adams; Joel Hass; Abigail Thompson
A Dynamic Kelly Criterion for Games with a Maximum Payout
Problem 11155
Hypergeometry of the Parbelos
Problem 11452
How Many Unit Equilateral Triangles Can Be Generated by N Points in Convex Position?
A Simple Proof of the Hook Length Formula
Finite Abelian Groups via Congruences
Problem 11468
Periods from Sums of Powers: 10727
Problem 10861
Problem 11405
When Periodic Points Are Real: 10822
Convex Polygons and Common Transversals
An Impossible Asylum
Dispersive Quantization
Maximum Real Part of a Zero of a Polynomial: 11184
Projective Generalizations of Two Points of Concurrence on the Nine-Point Circle
On Finiteness in the Card Game of War
Problem 11463
Integration using Schwinger Parametrization
Exponential Growth of a Solution: 11137
A Cousin of Gronwall's Inequality: 11135
Problem 11038
The Value of Primitive Words: 10636
Rubik's on the Torus
A Continuous Bijection from ℓ 2 onto a Subset of ℓ 2 Whose Inverse Is Everywhere Discontinuous
Partial Fractions, Binomial Coefficients, and the Integral of an Odd Power of sec θ
Solving Cubics With Creases: The Work of Beloch and Lill
A Chaos Lemma
Irreducible Cubics Modulo Five
Problem 11285
Parking Functions, Shi Arrangements, and Mixed Graphs
Problem 11280
A Proof of the Cayley-Hamilton Theorem
A Quartic Inequality: - 11301
3-D Rotations and Translations: 11276
Perfect Powers in an Arithmetic Progression: 11182
Problem 11000
Problem 11438
Vector Analysis Proof of Erdős' Inequality for Triangles
A Further Stroll into the Eisenstein Primes
Problem 11242
Slow Beatty Sequences, Devious Convergence, and Partitional Divergence
Square Root Inequality: 11157
Monochromatic Permutation Quadruples - A Schur Thing in S n
Problem 11306
Complex Analysis as Catalyst
Riesz's Theorem for Lumer's Hardy Spaces
Multiples of 6 Whose Successors Have Greater Divisor Sum: 11335 [2008, 71]
Erdős-Mordell-Type Inequalities in a Triangle
How to Win Your Betting Pool with Jensen's Inequality and the Law of Large Numbers
New Primality Criterion Based on Lucas Sequences
If the Primes are Finite, Then All of Them Divide the Number One
An Interesting Family of Symmetric Polynomials
Problem 11193
Lost in a Forest
Regular Matchstick Graphs
The EKG Sequence: 10927
Limit of an Integral: 11225
An Elementary Proof of Joris's Theorem
Developing Assessment Methodologies for Quantitative Literacy: A Formative Study
Exploring a Planet, Revisited
Cyclic Arithmetic and Combinatorial Operations
Problem 11167
Variation on the Mean Value Theme: 10739
A Friendly Introduction to Path Algebras and Quiver Representations
Review: Elementary Functional Analysis. by Barbara D. MacCluer
Nontransitive Random Variables and Nontransitive Dice
Review: Symmetry and the Monster by Mark Ronan
The Mylar Balloon Revisited
Ants, Bikes, and Clocks: Problem Solving for Undergraduates by William Briggs
Discovering and Proving that π Is Irrational
Semiregular Polygons
Reviews: The Finite Field Distance Problem . By David Covert, MAA Press, Washington DC, 2021. 181 pp., ISBN 978-1-4704-6031-0
A Prüfer Angle Approach to the Periodic Sturm-Liouville Problem
The Maximum Average Gain in a Sequence of Bernoulli Games
Cayley's Formula: A Page From The Book
An Elementary Counterexample in the Compact-Open Topology
On the Chromatic Number of the Plane with Two Forbidden Distances
The Fundamental Theorem of Algebra Via Newton's Identities
Polynomials and Integration in Finite Terms
The (n + 1)th Proof of Stirling's Formula
N-Player Final-Offer Arbitration: Harmonic Numbers in Equilibrium
Problem 11115
A Triangle Inequality: 11205
Continuous Ranking of Zeros of Cylinder Functions
Problem 11427
The Range of a Rotor Walk
: Problem 11057
A Recursive Scheme for Improving the Original Rate of Convergence to the Euler-Mascheroni Constant
Cutting Polyominos into Equal-Area Triangles
The Problem of Squarable Lunes
A $1 Problem
Laplace's Integral, the Gamma Function, and beyond
The Falling Slinky
Recurrent Proofs of the Irrationality of Certain Trigonometric Values
On Stirling's Formula
Riemann Mapping Theorem by Steepest Descent
Equidistribution of Zeros of Polynomials
Problem 10999
Erratum: Anagrammatical Attribution: 11021
Grades Are Not Money
A Converse of the Gauss-Lucas Theorem
Count to Six in Six Languages
Commuting and Noncommuting Infinitesimals
Problem 10894
Pictorial Calculus for Isometries
Fibonacci Numbers and Tilling a Board with Cuts: 11241
Topology and Equilibria
A Technique in Contour Integration
The Determinant of a Spiral Matrix: 11270 [2007, 78]
On a Question of Connes and Zagier Regarding Parallelograms Inscribed in a Pair of Confocal Ellipses
A Letter from the Editor: 2015 is the Centennial Year of the MAA
Divine Proportions: Rational Trigonometry to Universal Geometry by N. J. Wildberger
Complex Descartes Circle Theorem
Problem 10991
Hadamard's Determinant Inequality
Curvature of Space and Time, with an Introduction to Geometric Analysis
The Trace of the Sum of All Products of Two Matrices: 11204
A Maximum Principle for High-Order Derivatives
On Unsettleable Arithmetical Problems
The Sixty-First William Lowell Putnam Mathematical Competition
Problem 11431
Min-Plus Matrix Multiplication: 10834
Parabolas and Archimedes' 2/3-Property
When Close Enough is Close Enough
The Eighty-First William Lowell Putnam Mathematical Competition
Problem 11205
A Cyclic AM-GM Inequality: 11193
An Example With Periodic Orbits: 11073
A New Short Proof of Kneser's Conjecture
Computing Moore-Penrose Inverses with Polynomials in Matrices
Problem 10860
A Short, Elementary Introduction to the Exponential Function
Can One Visualize a Continuous Nowhere Differentiable Function?
Factorization Theory and Decompositions of Modules
The Smith College Diploma Problem
Continuous Images of Cantor's Ternary Set
Reflections on the Arbelos
Solution of a Calculus Problem on Minimal Volume
An Explicit Formula for the Prime Counting Function Which is Valid Infinitely Often
Diagonalization Games
On a 2015 Putnam Problem Related to a Double Recursion
On Furstenberg's Proof of the Infinitude of Primes
Problem 11203
A Beautiful Sine Formula
A Chebyshev Theorem for Ellipses in the Complex Plane
One of the Morley Triangles: 11049
Factorizations of Algebraic Integers, Block Monoids, and Additive Number Theory
A Game with Coins and Balls: 11311
A Remark on the Ratio of Consecutive Primes
Topology Meets Number Theory
Polynomial Roots with Common Tails
Borsuk-Ulam Implies Brouwer: A Direct Construction Revisited
Problem 11397
Absolute Real Root Separation
Problem 11444
Historical Remark on Ramanujan′s Tau Function
A Resolvent Criterion for Normality
Sums and Powers, Set Counting, and Coefficient Tracking: 11274 [2007, 165]
Automorphisms of Finite Abelian Groups
An Arc Cotangent Series: 10986
Cosine Inequalities: 10962
Simultaneous Proof of the First Fundamental Theorem of Calculus and Integrability of Continuous Functions
Problem 11414
Problem 10839
Problem 11056
Another Proof That There Are Infinitely Many Primes
Problem 11270
Basel Problem: A Solution Motivated by the Power of a Point
Sweet Division Problems: From Chocolate Bars to Honeycomb Strips
A Short Proof of the Simple Continued Fraction Expansion of
How Long Can k -Göbel Sequences Remain Integers?
The Circle and the Cycloid: A Surprising Link
Dyck Paths Skipping Every Fourth Point: 11013
The Fundamental Theorem of Algebra via Real Polynomials
A Simple Proof of a Generalized No Retraction Theorem
Another Proof of Clairaut's Theorem
A Topological Puzzle
Problem 10985
Admissions and Recruitment
Sines, Cosines, Square Roots, and Binary Bits
Rank My Update, Please
An Elementary Proof That Every Singular Matrix Is a Product of Idempotent Matrices
Ex-To-In-Radius Ratio: 11240
Numerical Semigroups, Cyclotomic Polynomials, and Bernoulli Numbers
Factorization of Perplex Integers
Building Sets of Permutation-Fair Dice
Problem 11321
Lucky Cars: Expected Values and Generating Functions
King of Infinite Space: Donald Coxeter, the Man Who Saved Geometry by Siobhan Roberts
On Fiber Diameters of Continuous Maps
Problem 10883
Iterated Products of Projections in Hilbert Space
More Nested Square Roots of 2
A Law of Conservation of Symbols
What Is Just?
Perfect Squares From Punctured Squares: 11138
Problem 11289
When the Cauchy Inequality Becomes a Formula
Double Integral with Log and Sinh: 11275
On a Conjecture of Fickett
Simple Discontinuities: 10979
Problem 11197
Proving the Banach-Alaoglu Theorem via the Existence of the Stone-Čech Compactification
Roots Appear in Quanta
A Lagrange Inversion Theorem
An Introduction to Undergraduate Research in Computational and Mathematical Biology Edited by Hannah Callender Highlander, Alex Capaldi, and Carrie Diaz Eaton; and A Project-Based Guide to Undergraduate Research in Mathematics. Edited by Pamela Harris, Erik Insko, and Aaron Wootton
Yet the Riemann Zeta Function at Positive Even Integers
Analysis of a French Inheritance Law: 10652
Problem 11338
Lester R. Ford Awards for 1999
Problem 11236
Contractions of the Real Line
Factorization of a Matrix Differential Operator Using Functions in Its Kernel
Geometry of Figurate Numbers and Sums of Powers of Consecutive Natural Numbers
Cantorvals and Subsum Sets of Null Sequences
A Generalization of Routh's Triangle Theorem
A Norm Inequality for Hermitian Operators
Problem 11211
Altitudes of a Tetrahedron and Traceless Quadratic Forms
The Concentration of the Product of Exponentials Around the Exponential of the Sum
The Sixty-Second William Lowell Putnam Mathematical Competition
The Flaw in Euler's Proof of His Polyhedral Formula
The Map-Coloring Game
Errata: Triperfect Numbers: 10800
Carries, Shuffling, and an Amazing Matrix
Lost Theorems of Geometry
Orthocenter Projection: 10983
A Tetrahedron with All Faces Congruent: 10934
Problem 10884
A Simple Computation of ζ (2 k )
Convergent Power Series for Boundary Value Problems and Eigenproblems with Application to Atmospheric and Oceanic Tides
Some Generalizations of the Riemann-Lebesgue Lemma
On Leonid Gurvits's Proof for Permanents
Polynomial Equations and Circulant Matrices
Life in the Montel Motel
Maximum Overhang
Conway's Conjecture for Monotone Thrackles
Problem 11375
A Sneaky Proof of the Maximum Modulus Principle
Widder-style Real Analytic Functions
Recounting the Rationals, Continued: 10906
Yueh-Gin Gung and Dr. Charles Y. Hu Award for 2025 to Ximena Catepillán for Distinguished Service to Mathematics
Problem 11228
A Completely Monotonic Function: 11140
How to Make Equivalent Measures?
A Congruence Involving Ceilings: 10918
A Quick Proof of the Order-Extension Principle
Numerical Semigroups and the Game of Sylver Coinage
An Invitation to Mathematics: From Competitions to Research
Can Two Consecutive Numbers Both Be Perfect?: 10711
Review: A Garden of Integrals by Frank E. Burk
A Theorem of D. J. Newman on Euler's φ Function and Arithmetic Progressions
Problem 10844
169 and Sums of Positive Squares
Lagrange Inversion Formula by Induction
Problem 11303
An Alternative to the Shooting Method for a Certain Class of Boundary Value Problems
A Telescopic Proof of Cayley's Formula
The Complex Geometric Mean: 10940
An Upper Bound for Spherical Caps
Diagonals of a Regular Polygon: 10924
A Useful and Surprising Limit: 10695
Distinguishing between the Partite Sets of a Bipartite Graph: 10740
Shrinking Lattice Curves: 10846
Products of Transpositions: 10913
Problem 11284
A Tree-Counting Identity: 10781
Partitioning by Arithmetic Progressions: 11005
An Unbiased Marriage Theorem
Generalization of a Ramanujan Identity
The Mathematics of Doodling
Ghys's Theorem and Semi-Osculating Conics of Planar Curves
Problem 10996
An Impossible Difference Condition: 11074
Nonsingular Sums of Matrices: 10784
Bounded Hanoi
Polynomials, Ellipses, and Matrices: Two Questions, One Answer
On Arithmetic Progressions of Powers in Cyclotomic Polynomials
Encyclopedia of Knot Theory : Edited by Colin Adams, Erica Flapan, Allison Henrich, Louis H. Kauffman, Lewis D. Ludwig, & Sam Nelson. Chapman and Hall/CRC Press, Boca Raton, FL, 2020. ISBN 978-1138297845
Problem 11246
A Very Short Proof of the Infinitude of Primes
A New Proof of the Change of Variable Theorem for the Riemann Integral
Problem 11293
Problem 11041
Character Analysis Using Fourier Series
Problem 10948
Learning from Experience: 11178
How Would Riemann Evaluate ζ(2 n )?
Factoring Forms
Problem 11329
Roads and Wheels, Roulettes and Pedals
The First 100 Years of the MAA
Complex Numbers and the Ham Sandwich Theorem
A Limit Comparison Test for General Series
A Generalization of Bevelacqua's Irreducibility Criterion
A Celtic Magnecurve Problem
A Property of the Binary Sum of a Family of Sets: 10865
Problem 11112
Base-b Representations
How Much String to String a Cardioid?
Review: Introduction to Calculus and Classical Analysis by Omar Hijab
The Hankel Determinant of Exponential Polynomials: A Very Short Proof and a New Result Concerning Euler Numbers
Morley Trisectors and the Law of Sines with Reflections
Asymptotically Stable Equilibria of Gradient Systems
Finite Groups of Matrices Whose Entries Are Integers
Remark on Cauchy-Schwarz Inequality for Differences
Problem 11050
The False Strategy Theorem: A Financial Application of Experimental Mathematics
A Simple Elementary Proof of Hilbert's Inequality
The Right-Hand Derivative of an Integral
Bretschneider's Formula Via Complex Numbers
A Power Series Approach to Some Inequalities
Linear Algebra via Complex Analysis
An Alternate Derivation of the Euler-Poisson Equation
On Eventually Expanding Maps of the Interval
A Lost Theorem: Definite Integrals in an Asymptotic Setting
Review: Topology Now! by Robert Messer; Philip Straffin; Introduction to Topology: Pure and Applied by Colin Adams; Robert Franzosa
Some Linear Recurrences: 11085
A Counting Proof for When 2 Is a Quadratic Residue
A Geometric Interpretation of Pascal's Formula for Sums of Powers of Integers
Problem 11420
Turning the Partition Crank
A Rational Definite Integral: 10938
Problem 10993
A Thābit-like Extension of the Pythagorean Theorem
The Three-Body Problem and the Shape Sphere
Periodic Composition: 11174
An Integer Programming Problem with a Linear Programming Solution
Indivisibility of the Sum of Squares: 11154
Uniform Partitions of Lattice Paths and Chung-Feller Generalizations
Problem 10868
Problem 10858
The Parbelos, a Parabolic Analog of the Arbelos
The Seventy-Fourth William Lowell Putnam Mathematical Competition
Problem 10777
Jordan's Inequality - as Sharp as You Please
Wolstenholme's Congruence for Lucas Sequences
Problem 10865
Problem 10941
Frobenius Integrability, Automotive Blind Spots, Non-reversing Mirrors, and Panoramic Mirrors
A Moment Evaluation: 10919
A Unified Interpretation of the Binomial Coefficients, the Stirling Numbers, and the Gaussian Coefficients
Inventing the Mathematician: Gender, Race, and Our Cultural Understanding of Mathematics: By Sara Hottinger. SUNY Press, Albany, NY, 2017. 216 pp., ISBN 1438460104
Problem 11435
On the Group of Automorphisms of a Group
It's a Long Story: 3887
Problem 11082
Limiting Distributions for Derangements
Insights and Observations on Teaching the Intermediate Value Theorem
The Sixty-Fourth William Lowell Putnam Mathematical Competition
Problem 11281
Lucy and Lily: A Game of Geometry and Number Theory
Almost Alternating Sums
Reminiscent of Gibbs: 10827
Uniformly Distributed Valleys: 11312 [2007, 744]
Mathematical Oncology: Using Mathematics to Enable Cancer Discoveries
The Orthic Triangle and the O.K. Quadrilateral
A Simple Direct Proof of Marden's Theorem
Analysis of Series and Products. Part 2: The Trapezoidal Rule
Problem 11077
Another Memorable Mongolian Olympiad Problem: A Two-Colored Rectangular Lattice
Minimax Theorem Revisited
Grouping k-Tuples of Integers by the Sum of Their Squares: 10778
The Best Constant in an Inequality: 10730
Problem 10978
An Increasing Function with a Discontinuous Derivative
A New Proof of Cavalieri's Quadrature Formula
Morley's Triangle and Lemma: 11038
The Weighted Hermite Polynomials Form a Basis for L 2 (ℝ)
Ultrafilters
Hausdorffization and Homotopy
The Circle Problem of Gauss and the Divisor Problem of Dirichlet - Still Unsolved
Inverse Problems Light: Numerical Differentiation
Integer Ratios of Consecutive Alternating Power Sums
The Jug Problem with a Source and a Sink: 10916
Problem 11142
Fixed Points of Iterated Cyclic Difference Operators: 10676
Problem 11262
Problem 11409
The Wild Goose Chase Problem
Using Stokes's Theorem on the Sphere: 10957
Triangular Triples from Ceilings to Floors
Problem 11277
Subalgebras of a Polynomial Ring That Are Not Finitely Generated
Playing Catch-up with Iterated Exponentials
The Stationary Distribution of a Tridiagonal Row-Stochastic Matrix: 11032
A New Proof for a Sharp van der Corput's Lemma
Cubes and Boxes Have Rupert's Passages in Every Nontrivial Direction
Problem 10828
A Curious Connection between Fermat Numbers and Finite Groups
The Cycloidal Pendulum
Problem 11170
Series Involving the Zeta Functions and a Family of Generalized Goldbach-Euler Series
Problem 11085
Tolstoy's Integration Metaphor from War and Peace
Reconstruction from Medial Representations
Yueh-Gin Gung and Dr. Charles Y. Hu Award for 2014 to Joan Leitzel for Distinguished Service to Mathematics
Digital Roots of Fibonacci Numbers: 10974
Maximal Independent Sets and Separating Covers
Problem 11120
A Better Way to Deal the Cards
Problem 10863
Riemann's Geometric Ideas
Monthly Referees for 2018
The Specified Three Distance Theorem
Problem 11147
A Sum of Chebyshev Inequalities: 10687
A Generalized Approach to the Fundamental Group
Problem 10922
Leaves of Ordered Trees: 10753
Problem 10988
History or Heritage? An Important Distinction in Mathematics and for Mathematics Education
Problem 11358
Problem 10831
An Eigenvalue Theorem for Systems of Polynomial Equations
Complex Numbers as Powers of Transcendental Numbers
Beyond the Descartes Circle Theorem
New Looks at Old Number Theory
The Simplest Unlimited-Player Game of Skill
A Letter From the Editor: Jonathan M. Borwein (1951-2016)
Bernoulli Component of a Sum: 10699
On Sphere-Filling Ropes
Euler's Product Expansion for the Sine: An Elementary Proof
A Difference of Square Roots: 10806
Problem 10826
Lévy's Second Arcsine Law Via The Ballot Theorem
A Remarkable Summation Formula, Lattice Tilings, and Fluctuations
The Order of a Product of Group Elements: 11092
An Easy Generalization of Euler's Theorem on the Series of Prime Reciprocals
Problem 11299
Problem 11327
Archimedean Properties and Parabolas
Pascal Matrices
Problem 10998
Mocposite Functions
Launching a Data Analytics Major: How Collaboration and Agility Built a Successful Program
Fermat's Spiral and the Line Between Yin and Yang
An Optimization Framework for Polynomial Zerofinders
A Productive Inequality: 11252
Problem 11098
A Recursively Defined Series for π/4: 10912
Problem 11061
Trigonometric Identities, Linear Algebra, and Computer Algebra
Problem 11425
Problem 11309
A Simple Characterization of Differentiation
All Solutions in the Unit Cube: 10764
Three Symmetric Double Series by Telescoping
Problem 11154
Achieving Rental Harmony with a Secretive Roommate
Errata: 10948
A Characterization of the Hypotenuses of Primitive Pythagorean Triangles Using Partitions into Consecutive Parts
Snapshots for Velocities: 11223
On the Steiner-Routh Theorem for Simplices
Problem 11352
A Short Proof of the Bradley Theorem
The Arbitrariness of the Cevian Triangle
A Pi in the Face of Tau
Closed Form Closure: 11143
Christiane's Hair
The Simplest Example of a Normal Asymptotic Expansion
Equilateral Triangles and Triangles
Seeing Curvature on Specular Surfaces
A Short Proof that Some Mappings of the Unit Ball of ℓ2 Are Never Nonexpansive
Interrupted Partitions: 10629
Linear Independence and Series Expansions in Function Spaces
A Determinant by Möbius Inversion: 11179
Integral Apollonian Packings
Prehistory of Faà di Bruno's Formula
The Stone-Weierstrass Theorem Revisited
A New Proof of a Classical Formula
A Short Proof of the Explicit Formula for Bernoulli Numbers
The Group-Theoretic Analog of Kuratowski's Closure-Complement Theorem
Integral by Mellin Transform: 11067
Problem 10819
A Conjecture on Primes in Arithmetic Progressions and Geometric Intervals
Optimizing and Factorizing the Wilson Matrix
Comments on "Subsums of the Harmonic Series"
Signed Series Terms: 11304
The Spectrum in a Banach Algebra
Relatives of Erdos-Mordell: 10814
The Altitudes of a Triangle
Consequences of a Relation on a Ring: 10841
Everything You Wanted To Know About ax2+by2+cz2+dt2 But Were Afraid To Ask
The Role of Logic in Teaching Proof
Problem 10877
Maximizing Quadratic Forms over Cubes: 10731
Tangent Spheres and Triangle Centers
Problem 11473
Collapse: A Fibonacci and Sturmian Game
Yueh-Gin Gung and Dr. Charles Y. Hu Award for 2013 to William A. Hawkins for Distinguished Service to Mathematics
Fibonacci Numbers and Cotangent Sequences
Problem 10782
A Polynomial and Its Zeros: 11190
Problem 11322
Pictures of Ultrametric Spaces, the p-Adic Numbers, and Valued Fields
Extremal Points, Critical Points, and Saddle Points of Analytic Functions
Blind-friendly von Neumann's Heads or Tails
Problem 10953
Problem 10824
An Inductive Proof of Hex Uniqueness
A Geometric Interpretation of the Simplicity of SO(3)
Eigenvalues of Real Symmetric Matrices
A Visual Model of the Lorentz Triangular Moduli Space
Entropy of Subordinate Shift Spaces
Sines in a Triangle: 11015
Problem 11111
Review: Real Analysis Through Modern Infinitesimals , Cambridge University Press, 2011, xix + 565 pp., ISBN 978-1-107-00202-9, $127.00. by Nader Vakil
Problem 11053
Yueh-Gin Gung and Dr. Charles Y. Hu Award for 2015 to W. James Lewis for Distinguished Service to Mathematics