yusuke1997/dblp-id-title huggingface dataset:
Euler's "Mistake"? The Radical Product Rule in Historical Perspective
Triangles, Ellipses, and Cubic Polynomials
Unknowable Matters: How Nature's Speed Limit on Communication Relates to Quantum Physics
Non-Euclidean III.36
A Cyclotomic Sum: 10937
Problem 11164
The Largest Eigenvalue of a Positive Definite Symmetric Matrix: 10839
A Generalization of the Cayley-Hamilton Theorem
The Evolution of Markov Chain Monte Carlo Methods
Problem 11006
Problem 11069
Problem 10827
The Mathematics of Crossword Puzzles: In Celebration of Karen Hunger Parshall
A Simple Proof of Sharkovsky's Theorem Revisited
A New Look at Surfaces of Constant Curvature
Complexities: Women in Mathematics by Bettye Anne Case; Anne M. Leggett
When a Sum of Functions Is Increasing: 10768
A Modified Problem of Pillai and Some Related Questions
The Sixtieth William Lowell Putnam Mathematical Competition
Two Heads Are Better than One: 11173
Minimal Perimeter Triangles
Problem 11271
Serendipitous Solution: 10428
Very Composite Numbers: 11334 [2008, 71]
A Counterexample for the Two-Dimensional Density Function
Problem 10888
Modular Miracles
A Simple Proof of Rolle's Theorem for Finite Fields
Power-Sum Denominators
A Mathematical Approach to Territorial Pattern Formation
An Elementary Proof of Jacobi's Six Squares Theorem
The Twin Paradox in a Closed Universe
Problem 11413
Problem 10807
Problem 11471
Curvature in the Calculus Curriculum
Coset Intersection Graphs for Groups
The Determinant of a Matrix of Sines: 10849
Abstract Algebra by Ronald Solomon; Integers, Polynomials and Rings by Ronald S. Irving
Pigeonholes and Repunits
Nonlinear Oscillators at Our Fingertips
A Geometric Proof of Morrie's Law
How to Differentiate and Integrate Sequences
Pythagoras Extended
A Characteristic Averaging Property of the Catenary
Problem 11163
Problem 11189
An Application of Fermat's Little Theorem: 11054
Rotation in a Normed Plane
The Infinitude of the Primes and Some Coloring Theorems
Think Rationally: 11068
Noise-Induced Stabilization of Perturbed Hamiltonian Systems
Problem 11282
Blet: A Mathematical Puzzle
Throwing a Ball as Far as Possible, Revisited
Problem 11318
Two Applications of the Generalized Ptolemy Theorem
Kemeny's Constant and the Random Surfer
Problem 11354
Defendens Imperium Romanum: A Classical Problem in Military Strategy
Review: Encounters with Chaos and Fractals , 2nd edition. By Denny Gulick. Chapman and Hall/CRC Press, Boca Raton, 2012, xvi + 371 pp., ISBN 978-1-58488-517-7, $79.95
On the Fundamental Theorem of Finite Abelian Groups
An Extension of Ceva's Theorem to n-Simplices
Subspaces of the Vector Space of 2-by-2 Matrices: 10813
When Quadrilaterals Have Inscribed Circles: 10698
A Straightforward Approach to the Product Rule
An Exponential Diophantine Equation: 10873
A Sequence of Composite Numbers: 10947
Problem 11333
Mortality in Matrix Semigroups
Problem 11313
Rogers-Ramanujan Partitions: 10627
The Spiral of Theodorus and Sums of Zeta-values at the Half-integers
Hidden Figures Revealed
Problem 10900
A Graph Partition Problem
Brocard Angle 30 Degrees: 10824
Rapidly Growing Fourier Integrals
Pairings and Signed Permutations
Two Elementary Properties of Entire Functions
A Probabilistic Proof of the Multinomial Theorem
Problem 10969
The Six Circles Theorem Revisited
Problem 10997
A Direct Proof and a Transcendental Version of the Fundamental Theorem of Algebra via Cauchy's Theorem
On Matrix Pythagorean Triples
Problem 11094
A Fresh Look at the Method of Archimedes
Problem 10842
Problem 11151
Tiling Squares with Rectangles: 10883
A Characterization of Permutation Matrices: 11303 [2007, 548]
Modeling & Optimization for Streaming Listening Demand
More Grade School Triangles
Generalizations of the Fibonacci-Lucas Relations
Characterizing the Number of m-ary Partitions Modulo m
Extension of the Fundamental Theorem of Algebra for Polynomial Matrix Equations with Circulant Matrices
An Interesting Property of the Evolute
Problem 11472
Finding ζ(2p) from a Product of Sines
Monthly Referees for 2016
Evolutes and Involutes of Spatial Curves
The Method of Coefficients
Nested Square Roots of 2 Revisited
Other Versions of the Steiner-Lehmus Theorem
Cevians and Centroids: 11105
Geometry and Algebra of the Deltoid Map
Gamma Function Bounds: 11016
Cauchy's Interlace Theorem for Eigenvalues of Hermitian Matrices
Enumeration of Permutations by Disorder: 10975
Orthogonal Sudoku Squares: 11214
Hilbert's Inequality and Witten's Zeta-Function
Irrationality via Maximality
Problem 10995
An Iterative Sequence: 10988
Paying Our Way Out of a Crisis
Rolling Curves: An Old Proof of the Roulette Lemma
The Smallest Nontrivial Solution to xk≡1 (modn) and Related Sequences
A Constructive Elementary Proof of the Skolem-Noether Theorem for Matrix Algebras
Arnol'd, the Jacobi Identity, and Orthocenters
The Paul R. Halmos-Lester R. Ford Awards for 2020
An Excenteric Iteration: 10993
On Ordering the Natural Numbers, or, The Sharkovski Theorem
Problem 11036
Diversity, Identity, and Data
Mathematicians on Creativity
Vector Calculus and the Topology of Domains in 3-Space
Problem 11183
Review: Fearless Symmetry: Exposing the Hidden Patterns of Numbers by Avner Ash; Robert Gross
Moving Faces to Other Places: Facet Derangements
Problem 11220
Counting Permutations with Two Displacement Values: 11281 [2007, 259]
A Short Proof of Cayley's Tree Formula
On Lexell's Theorem
Linear Algebra to Quantum Cohomology: The Story of Alfred Horn's Inequalities
Foldable Triangulations of Lattice Polygons
Manifolds with Density and Perelman's Proof of the Poincaré Conjecture
Problem 11416
Seventy-Five Years of the Putnam Mathematical Competition
Problem 11201
A Napoleonic Theorem for Trapezoids
The Square Root of a Certain Matrix: 11224
A Proof of Bonnet's Version of the Mean Value Theorem by Methods of Cauchy
Review: Proof and Other Dilemmas: Mathematics and Philosophy Mathematical Association of America, Washington, DC, 2008, xxxii + 346 pp., ISBN 978-0-88385-567-6, $53.95. by Bonnie Gold; Roger A. Simons
A Hypergeometric Identity: 11188
Problem 10950
An Elementary Calculation of the Dihedral Angle of the Regular n-Simplex
Problem 11443
The Crooked Made Straight: Roberval and Newton on Tangents
From Pascal's Theorem to d -Constructible Curves
Correction to "Napoleon Polygons"
The Symmetries of Things by John H. Conway; Heidi Burgiel; Chaim Goodman-Strauss
Biased Trigonometric Polynomials
The Power System is Never a Basis in the Space of Continuous Functions
What Is a Random Sequence?
When Ramanujan Meets Fibonacci and Lucas
Problem 11045
Voting, the Symmetric Group, and Representation Theory
You Know You're a Mathematician If..
Waiting Times for Patterns and a Method of Gambling Teams
Using Integral Transforms to Estimate Higher Order Derivatives
A Third Real Solution to x = x -1 , Not Really
Probabilistic Proof that 1+2+⋯+n=n(n+1)2
Parking Cars of Different Sizes
Determinant of a Matrix in Two Variables: 10896
A Continued Fraction Related to π: 11102
An Oscillating Sequence: 11077
Problem 10910
Reciprocity via Reciprocants
The Seventieth William Lowell Putnam Mathematical Competition
A Class of Simple Rearrangements of the Alternating Harmonic Series
On the Occurrence of Perfect Squares Among Values of Certain Polynomial Products
A Very Short Proof of the Hermite-Hadamard Inequalities
Problem 11103
An Unexpected Appearance of the Catalan Numbers: 10905
Legendre-Teege Quadratic Reciprocity
The Lesser-Known Δ-Function in Number Theory
Infinitude of Primes Using Formal Languages
Problem 11128
The Matrix Equation X 3 + Y 3 = 2 Z 3
A Characterization of Convex Functions
Exactly Which Bounded Darboux Functions Are Derivatives?
A Nearest Integer Solution to the Longest Run of Randomly Generated Words
Problem 10918
Historical Reflections on Teaching the Fundamental Theorem of Integral Calculus
Sums of Two Squares Visualized
Problem 11255
Attainable Patterns in Alien Tiles
The Eightieth William Lowell Putnam Mathematical Competition
Virtual Empirical Investigation: Concept Formation and Theory Justification
On the Probability That an Automorphism Fixes a Group Element
Problem 11454
Closure, Complement, and Union: 11059
Gamma and Factorial in the Monthly
On Prime Factors of
Martin Gardner's Minimum No-3-in-a-Line Problem
Waiting for the Bus: 10866
Large Torsional Oscillations in Suspension Bridges Visited Again: Vertical Forcing Creates Torsional Response
A Geometric Interpretation of an Infinite Product for the Lemniscate Constant
A Special Prime: 11235
Another Proof of Euler's Circuit Theorem
Start Where They Are: Geometry as an Introduction to Proof
Problem 11400
A Note on the Congruence (nd md) = (n m) (mod q)
Problem 11127
A Good Question Won't Go Away: An Example of Mathematical Research
Integration by Parts and by Substitution Unified with Applications to Green's Theorem and Uniqueness for ODEs
A Simple Example of a New Class of Landen Transformation
Solids Circumscribing Spheres
Problem 11160
Monthly Referees for 2019
The Riemann Zeta Function With Even Arguments as Sums Over Integer Partitions
Pythagoras by Integral
Quantum Error Correction: Classic Group Theory Meets a Quantum Challenge
Maximum Principles for Matrix-Valued Analytic Functions
Problem 11102
Some Bernstein Polynomials: 10985
A Nowhere-Differentiable Function from Geometry: 10790
Problem 11304
Inscribed Triangle Area: 11261
Transitivity Implies Period Six: A Simple Proof
Problem 11350
Simpson's Rule Is Exact for Quintics
Summation Using an Expected Value Identity
Review: Tools of American Mathematics Teaching, 1800-2000 by Peggy Aldrich Kidwell; Amy Ackerberg-Hastings; David Lindsay Roberts
Problem 10913
On a Question of Kaplansky
A New Proof of the Finsler-Hadwiger Inequality
Problem 11199
An Observation on Average Velocity
On Wallis-type Products and Pólya's Urn Schemes
Rational Polynomials That Take Integer Values at the Fibonacci Numbers
Problem 11015
Two Sums That Are Congruent Modulo p: 10723
An Exact Bound for the Inner Product of Vectors in ℂ n
Early Round Bluffing in Poker
Problem 11018
Commutators in the Rubik's Cube Group
Double Integral: 11295
Mathematics in the 20th Century
Keeler's Theorem and Products of Distinct Transpositions
Monthly Gems
Rational Numbers, Finite Cyclic Monoids, Divisibility Rules, and Numbers of Type 99...900...0
The Singular Part as Fixed Point
Problem 11422
Highly Cohesive Graphs Have Long Nonseparating Paths: 10647
Problem 11062
How to Prove it with Lean: By Daniel J. Velleman, published online at https://djvelleman.github.io/HTPIwL/
Faculty Seminar
George Bruce Halsted's Non-Euclidean Pilgrimage to Hungary in 1896
Problem 11089
Perfect Parity Patterns: 11243
Equicevian Points of a Triangle
The Fundamental Theorem of Algebra Made Effective: An Elementary Real-Algebraic Proof via Sturm Chains
Hausdorff Dimension, Its Properties, and Its Surprises
Problem 10879
When a Mechanical Model Goes Nonlinear: Unexpected Responses to Low-Periodic Shaking
Review: Loving and Hating Mathematics: Challenging the Myths of Mathematical Life. Princeton University Press, Princeton, NJ, 2011, xii + 416 pp. ISBN 978-0-691-14247-0, $29.95. by Reuben Hersh and Vera John-Steiner
Real and Generic Data without Unconstrained Best-Fitting Verhulst Curves and Sufficient Conditions for Median Mitscherlich and Verhulst Curves to Exist
Acyclic and Totally Cyclic Orientations in Planar Graphs
Problem 11252
Partial Metric Spaces
A Determinant with Polynomial Entries: 10714
Morley Related Triangles on the Nine-Point Circle
A Superpowered Euclidean Prime Generator
Problem 10780
Geršgorin and His Circles by Richard S. Varga
Plucking Stirling Numbers from Trees: 10976
Lehmer's Interesting Series
A Short Proof for the Krull Dimension of a Polynomial Ring
Problem 10896
Another Simple Proof of the High Girth, High Chromatic Number Theorem
Rearranged Series: 11088
The Continuous Newton's Method, Inverse Functions, and Nash-Moser
Surprising Sinc Sums and Integrals
Origin and Evolution of the Secant Method in One Dimension
Sums of Powers in Large Finite Fields: A Mix of Methods
Gagliardo-Nirenberg-Sobolev Inequality: An Induction Proof
Problem 11072
Oddly Triangulated Polygons: 11298 [2007, 547]
A Note on Bolzano's Intermediate Value Theorem
A Stirling Series: 10832
Problem 10803
"The Ballot Problem in Disguise", in Disguise: 11249
Problem 11226
Comparing Odd Parts in Conjugate Partitions: 10969
Computing ζ(2m) by Using Telescoping Sums
Cutting a Pie Is Not a Piece of Cake
One Observation behind Two-Envelope Puzzles
Visual Differential Geometry and Forms: A Mathematical Drama in Five Acts : By Tristan Needham, Princeton University Press, Princeton, NJ, 2021
Do Normal Subgroups Have Straight Tails?
Reviews Numbers and the World: Essays on Math and Beyond . By David Mumford, American Mathematical Society, 2023. 243 pp., ISBN 978-1-4704-7051-7, $69.00
Multimagic Squares
Packing a Cake into a Box
Problem 10891
An Inequality Proved Without Computer Assistance: 11251
Problem 10794
Even Order Regular Magic Squares Are Singular
Mathematical Evolution
My Friend Abe Shenitzer
A Menger Redux: Embedding Metric Spaces Isometrically in Euclidean Space
On the Mathematics of Income Inequality: Splitting the Gini Index in Two
Problem 11335
Gambling Under Unknown Probabilities as Proxy for Real World Decisions Under Uncertainty
The Null Ideal of a Matrix: 11083
A Note on Tarski's Note
Bell's Theorem and the Demise of Local Reality
Yueh-Gin Gung and Dr. Charles Y. Hu Award for 2012 to John Ewing for Distinguished Service to Mathematics
Record Crossword Puzzles
The Mahler Conjecture in Two Dimensions via the Probabilistic Method
The Sum of Distances between Vertices of a Convex Polygon with Unit Perimeter
Another Proof of the Infinitude of Primes
Problem 10837
Problem 11068
A Higher Mean Value Theorem: 10935
Double Integrals for Euler's Constant and in and an Analog of Hadjicostas's Formula
Another Application of Siebeck's Theorem
Problem 11408
Two Letters by N. N. Luzin to M. Ya. Vygodskii
Open Discontinuous Maps From ℝ n onto ℝ n
Remarks on the Gravity Equation
Kempner-like Harmonic Series
Pentagram Configurations for Pentagons and Hexagons
Reorganizing Large Web Sites
Descartes Circle Theorem, Steiner Porism, and Spherical Designs
Is There a Planar Convex Set with Given Width, Diameter, and Inradius?
Perimeter by Integral: 11256
Problem 11430
Problem 11378
On Liouville's Theorem for Conformal Maps
Simply Not a Simple Group
Solving Linear Differential-Like Equations
Evaluate the Series: 11260
An Extension of Mantel's Theorem to k-Graphs
Counting Walks and Graph Homomorphisms via Markov Chains and Importance Sampling
Squares with Four Equal Digits in an Even Base: 10741
Tiling with Monotone Polyominos
Munshi's Proof of the Nullstellensatz
Bidiagonal Factorizations of Totally Nonnegative Matrices
On the Associativity of Infinite Matrix Multiplication
A Subset-Sum Inequality: 11100
On the Representation of Natural Numbers as Sums of Squares
A Remark on Euclid's Theorem on the Infinitude of the Primes
Another Path to Generalized Catalan Numbers: 10751
Honsberger-Type Identities via Busche-Ramanujan Identity
Vertical Projection in a Resisting Medium: Reflections on Observations of Mersenne
More Triangle Inequalities: 10955
I Prefer Pi: A Brief History and Anthology of Articles in the American Mathematical Monthly
A Parallelogram Inscribed in a Quadrilateral: 10810
The Pursuit of Perfect Packing by Tomaso Aste; Denis Weaire; Kelper's Conjecture by George G. Szpiro
Four More Distinguished Points of a Triangle: 10703
Problem 11341
An Application of the Mellin Transform: 10963
The Crystallographic Restriction, Permutations, and Goldbach's Conjecture
A Group Determined by Relations?: 10933
A Two-Triangle Inequality: 11022
Ptolemy Meets Erdős and Mordell Again
53 Is the Smallest Prime That Is Not the Sum or Difference of Powers of the First Two Prime Numbers
Newton, Maclaurin, and the Authority of Mathematics
A Simple Construction for Tournaments with Every k Players Beaten by a Single Player
Baking a Pi with Factorials: 11333 [2007, 926]
Plane Intersections of Rotational Ellipsoids
A One-to-One Popcorn Function
Self-Similar Polygonal Tiling
Trapezoid Inscribed in Ellipse: 11095
Convergence of a Series: 10808
Exploring Convexity in Normed Spaces
Problem 11064
An Invitation to Modern Number Theory by Steven J. Miller; Bamin Takloo-Bighash
Proof of the Sheldon Conjecture
Problem 11153
Letters to a Young Mathematician by Ian Stewart
A Symmetric Inequality: 11255
Problem 11314
Monic Polynomials in Z[x] with Roots in the Unit Disc
Preimages of the Numerical Range
Another Urn and Balls Problem: 11191
A Proof of a Conjecture on Egyptian Fractions
Rhombic Penrose Tilings Can be 3-Colored
The Sound of Symmetry
What is the Correct Way to Seed a Knockout Tournament?
Yueh-Gin Gung and Dr. Charles Y. Hu Award for 2022 to Barbara Faires for Distinguished Service to Mathematics
The Mathematical Community Working To Create Better (And Free!) Textbooks
Variations on Kuratowski's 14-Set Theorem
Problem 11216
Random Triangles and Polygons in the Plane
Invariance of the Area and Volume of Cycloid Surfaces and Trochoid Surfaces
A Letter from the Guest Editors
On the "Reducibility" of Arctangents of Integers
Ramanujan's Series for 1/π: A Survey
Problem 11212
Analytic Theory of Polynomials by Qazi Ibadur Rahman; Gerhard Schmeisser; Complex Polynomials by Terry Sheil-Small
Wild and Wooley Numbers
Problem 10966
A New Approach to the Katětov-Tong Theorem
On Dickson's Theorem Concerning Odd Perfect Numbers
On Experimental Mathematics and Mathematics Education
One Good Congruence Deserves Another: 10748
Product Approximations via Asymptotic Integration
Variation of a Ukrainian Olympiad Problem: 10982
Incenter Distances in a Triangulation: 11116
When Does Convergence in the Mean Imply Uniform Convergence?
Lengths of Wrapped Curves: 11064
A Use of Symmetry: Generalization of an Integral Identity Found by M. L. Glasser
Problem 10939
Vertex to Vertex Geodesics on Platonic Solids
When Is a Puiseux Monoid Atomic?
The Volume of the Convex Hull of a Body and its Homothetic Copies
Cake-Cutting Algorithms: Be Fair if You Can. by Jack Robertson; William Webb
A Positive Polynomial: 11155
Exploring All Binary Mazes: 10720
A Curious Result Related to Kempner's Series
Greedy Galois Games
Simple Proofs of the Hadamard and Poincaré-Miranda Theorems Using the Brouwer Fixed Point Theorem
Conics by Keith Kendig
Pythagorean Triangles Are Not Quite Perfect: 11122
Almost All Integer Matrices Have No Integer Eigenvalues
Errata: 10953
Using Dynamical Systems to Construct Infinitely Many Primes
Problem 11052
a 2 =b 2 +cd , an Extended Pythagorean Formula
From Ford to Faà
Sums of Finite Sets of Integers, II
Problem 11093
Napoleon Polygons
Stepping to Regularity: 10923
Advances in the Theory of Cores and Simultaneous Core Partitions
Set Inclusion and Density: 11110
The Sixty-Fifth William Lowell Putnam Mathematical Competition
A Look at the Generalized Heron Problem through the Lens of Majorization-Minimization
Richard Brauer: Sketches from His Life and Work
A Modular Triple: 11021
The Extraordinary Power of Division in Straight Line Programs
Short Gamma Products with Simple Values
Reviews Graph Theory in America: The First Hundred Years . By Robin Wilson, John J. Watkins, and David J. Parks, Princeton University Press, 2023. 320 pp., ISBN 978-0691194028, $35.00
Recalling 11159 and Sixty-Sixth Putnam A5: 11277
When the Identity Theorem "Seems" to Fail
Zaremba's Conjecture for Geometric Sequences: An Algorithm
Distance Sets on Circles
When Does Water Find the Shortest Path Downhill? The Geometry of Steepest Descent Curves
On Sara's Dove Bar Habit
Linearity, Symmetry, and Prediction in the Hydrogen Atom by Stephanie Frank Singer
An Illuminating Counterexample
Geometry in the Courtroom
Strong Convexity Does Not Imply Radial Unboundedness
Yueh-Gin Gung and Dr. Charles Y. Hu Award to Manuel P. Berriozábal for Distinguished Service to Mathematics
Calculating Prodigies in the Nineteenth Century: Science as Spectacle or Real Skill?
A Countable Hausdorff Space with the Fixed Point Property: 10705
Maximum Antichains of Sets of Distinct Sizes: 10932
Problem 11439
Problem 11145
A Short Proof That Lebesgue Outer Measure of an Interval Is Its Length
Derangements That Don't Rise Too Fast: 10902
Errata for 2004: An Iterative Sequence: 10988
The Character of Convergence of the Cauchy Product
An Alternative Approach to the Product Rule
Problem 11148
Problem 10915
Problem 11317
Enhanced Linking Numbers
Commuting Analytic Maps: 11070
A Piecewise-Linear Fixed Point Theorem
Problem 10806
A Borsuk-Ulam Equivalent that Directly Implies Sperner's Lemma
Finite Quantum Measure Spaces
Analytical Solution for the Generalized Fermat-Torricelli Problem
Uncovering the Euclidean Geometry of Data
Cauchy's Theorem and Sylow's Theorem from the Cyclic Case
Tossing Coins to Guess a Secret Number
Expected Rank in an NBA Draft Lottery: 10803
On Polynomial Rings with a Goldbach Property
Mean Curvature and Asymptotic Volume of Small Balls
A Characterization of Rational Functions
Simpson's Paradox, Visual Displays, and Causal Diagrams
New Insight into Cycloidal Areas
Problem 10848
Problem 11037
Two "Generic" Proofs of the Spectral Mapping Theorem
The Binomial Coefficient as an (In)finite Sum of Sinc Functions
The Freshman's Approach to Conway's Napkin Problem
A Simple Proof of Poncelet's Theorem (on the Occasion of Its Bicentennial)
A Simple Complex Analysis and an Advanced Calculus Proof of the Fundamental Theorem of Algebra
Problem 11231
Problem 10857
Ten Problems in Experimental Mathematics
Proofs of Korovkin's Theorems via Inequalities
Counting Ordered Trees by Permuting Their Parts
100 Years Ago This Month in the American Mathematical Monthly
A Quick Inequality: 11189
A New Extension of the Riemann Integral
Forward Shifts and Backward Shifts in a Rearrangement of a Conditionally Convergent Series
Periodicity under Shift and Complement: 10823
Problem 11298
Symmetric and Alternating Groups Generated by a Full Cycle and Another Element
Is Napoleon's Theorem Really Napoleon's Theorem?
"The Riddle of the Ages": James Joseph Sylvester and the Transcendence of π
Functional Analysis by Peter D. Lax; John Wiley; Functional Analysis: An Introduction by Yuli Eidelman; Vitaly Milman; Antonis Tsolomitis
The Axiom of Choice, Well-Ordering, and Well-Classification
Weierstrass, Luzin, and Intuition
Linearly Independent Spanning Sets
Rethinking the Elementary Real Analysis Course
An Upper Bound on the Size of Sidon Sets
Problem 11307
Fractals, Graphs, and Fields
A Cauchy-Schwarz Type Inequality for Differences
Lagrange Multipliers and the Fundamental Theorem of Algebra
Strong Divisibility and LCM-Sequences
A Fractal Example in Ordinary Differential Equations
Pólya's Random Walk Theorem
The Factor Ring Structure of Quadratic Principal Ideal Domains
Three Proper Subgroups Covering a Group: 10911
Problem 10855
An Identity of Carlitz and Its Generalization
Fourier Transform Inversion Using an Elementary Differential Equation and a Contour Integral
A Proof of Thébault's Theorem
Experimental Math for Math Monthly Problems
Reform Now, before It's Too Late!
The Worpitzky Numbers Revisited
Truncated Series Ratios Alternating about tanh x: 10857
The Hitting Time Theorem Revisited
Stacked Groups
If R m ≅ R n must m = n ?
Review: Linear and Nonlinear Programming, 3rd ed., Springer, New York, 2008, xiv+546 pp., ISBN 0-387-74502-2, $109. by David G. Luenberger and Yinyu Ye
Problem 11123
What's Best?
An Extension of the Prouhet-Tarry-Escott Problem to Nonnegative, Noninteger Powers
Qualitative Tools for Studying Periodic Solutions and Bifurcations as Applied to the Periodically Harvested Logistic Equation
Problem 11134
A Simpler Proof of sin
A Triangle Inequality: 11228
Proofs as Games
Pólya's Theorem on Random Walks via Pólya's Urn
Reviews Grading for Growth: A Guide to Alternative Grading Practices that Promote Authentic Learning and Student Engagement in Higher Education . By David Clark and Robert Talbert, Routledge, 2023. 262 pp., ISBN 978-1642673814, $36.95
The Error in an Alternating Series
An Ancient Combinatorial Problem
Primary Pseudoperfect Numbers, Arithmetic Progressions, and the Erdős-Moser Equation
A Lattice Path Equality: 11106
Flexagons Lead to a Catalan Number Identity
Social Balance and the Bernoulli Equation
An Integral Inequality: 11133
Six Surprises from Four Lines: 11025