The American Mathematical Monthly, Volume 108

Volume 108, Number 1, January 2001

• 
  William E. Kirwan:
  Mathematics Departments in the 21st Century: Role, Relevance, and Responsibility. 1-9
• 
  David Garber, Boaz Tsaban:
  A Mechanical Derivation of the Area of the Sphere. 10-15
• 
  David J. Aldous:
  Reorganizing Large Web Sites. 16-27
• 
  Dean Alvis, Michael K. Kinyon:
  Birkhoff's Theorem for Panstochastic Matrices. 28-37
• 
  Chaim Goodman-Strauss:
  Compass and Straightedge in the Poincaré Disk. 38-49
• 
  Eric Schechter:
  Constructivism Is Difficult. 50-54

Notes

• 
  Ira M. Gessel:
  The Smith College Diploma Problem. 55-57
• 
  William C. Waterhouse:
  Cochran's Theorem for Rings. 58-59
• 
  Andrew J. Simoson:
  The Tumbling Tetrahedron. 59-63
• 
  David Eppstein:
  Tangent Spheres and Triangle Centers. 63-66
• 
  Marc Noy:
  Acyclic and Totally Cyclic Orientations in Planar Graphs. 66-68
• 
  Takayuki Furuta:
  The Hölder-McCarthy and the Young Inequalities Are Equivalent for Hilbert Space Operators. 68-69

The Evolution of...

• 
  John Stillwell:
  Modular Miracles. 70-76

Problems and Solutions

• 
  Nick MacKinnon:
  Problem 10844. 77
• 
  Ciprian Demeter:
  Problem 10845. 77
• 
  Józef H. Przytycki:
  Problem 10846. 77
• 
  Robin Chapman, Kimmo Eriksson, Richard P. Stanley:
  Problem 10847. 77
• 
  Kenneth B. Stolarsky:
  Problem 10848. 77
• 
  Richard Bagby:
  Problem 10849. 78
• 
  Wolfdieter Lang:
  Problem 10850. 78

Solutions

• 
  David M. Bradley, Steve Levandosky, Amram Meir:
  Series and Integral Trial Conditions: 10642. 78-79
• 
  Fred Galvin, Stephen C. Locke, Sung Soo Kim, David Callan:
  A Generalization of Hall's Theorem: 10701. 79-80
• 
  Florian Luca, Francis B. Coghlan:
  Can Two Consecutive Numbers Both Be Perfect?: 10711. 80-81
• 
  Jet Wimp, Thomas Hermann:
  A Determinant with Polynomial Entries: 10714. 81
• 
  Michael L. Catalano-Johnson, Daniel E. Loeb, John Beebee:
  A Cubical Gift: 10716. 81-82
• 
  Sung Soo Kim, Mark D. Meyerson:
  When a Sum of Functions Is Increasing: 10768. 82
• 
  Wu Wei Chao, Daniele Donini:
  Concurrent Lines in a Cyclic Quadrilateral: 10783. 83
• 
  Leroy Quet, Reiner Martin, Otto Ruehr:
  A Zeta Function Series: 10786. 84

Reviews

• 
  William G. McCallum:
  Calculus Mysteries and Thrillers by R. Grant Woods; How to Ace Calculus: The Streetwise Guide by Colin Adams; Joel Hass; Abigail Thompson. 90-93

Volume 108, Number 2, February 2001

• 
  Henry L. Alder:
  Yueh-Gin Gung and Dr. Charles Y. Hu Award to Manuel P. Berriozábal for Distinguished Service to Mathematics. 97-99
• 
  Duane W. DeTemple, Matthew Hudelson:
  Square-Banded Polygons and Affine Regularity. 100-114
• 
  Peter D. Lax:
  Change of Variables in Multiple Integrals II. 115-119
• 
  Adam Korányi:
  Around the Finite-Dimensional Spectral Theorem. 120-125
• 
  William Müller:
  Reform Now, before It's Too Late! 126-143
• 
  H. Turgay Kaptanoglu:
  In Praise of y = x^α sin. 144-150

Notes

• 
  Jean B. Lasserre, Konstantin Avrachenkov:
  The Multi-Dimensional Version of ∫^b _a x^p dx. 151-154
• 
  Sibylle Zeller, Maximilian Thaler:
  Almost Sure Escape from the Unit Interval under the Logistic Map. 155-158
• 
  Robert Geretschläger, Walther Janous:
  Generalized Rearrangement Inequalities. 158-165
• 
  Seannie Dar, Shay Gueron:
  A Weighted Erdös-Mordell Inequality. 165-168
• 
  Jan J. Dijkstra:
  A Four-Point Set That Cannot Be Split. 168-170

Problems and Solutions

• 
  David Beckwith:
  Problem 10851. 171
• 
  Calin Popescu:
  Problem 10852. 171
• 
  Stevo Stevic:
  Problem 10853. 171
• 
  Wu Wei Chao:
  Problem 10854. 171
• 
  Ernesto Bruno Cossi:
  Problem 10855. 171
• 
  Andrei Jorza:
  Problem 10856. 172
• 
  Harold G. Diamond:
  Problem 10857. 172

Solutions

• 
  Emeric Deutsch, Murray S. Klamkin, Denis Constales:
  Counting the Solutions: 10540. 172-173
• 
  David M. Bloom, Stephen M. Gagola Jr.:
  Dirichlet Knew It All along: 10718. 174
• 
  Richard F. McCoart, Lyle Ramshaw:
  More Balls in Urns: 10722. 174-176
• 
  Christopher J. Hillar, Heinz-Jürgen Seiffert:
  Two Sums That Are Congruent Modulo p: 10723. 176
• 
  Andrei Jorza, O. P. Lossers:
  Maximum of a Polynomial on the Unit Circle: 10779. 177
• 
  Antal Fekete, Gary Martin:
  Squared Series Yielding Integers: 10791. 177-178
• 
  Edward Newman, Li Zhou:
  A Mean Inequality: 10798. 178

Volume 108, Number 3, March 2001

• 
  Frank Morgan:
  Proof of the Double Bubble Conjecture. 193-205
• 
  Paul R. Wolfson:
  The Crooked Made Straight: Roberval and Newton on Tangents. 206-216
• 
  David Spring:
  Solution of a Calculus Problem on Minimal Volume. 217-221
• 
  Dirk Huylebrouck:
  Similarities in Irrationality Proofs for π, ln2, ζ(2), and ζ (3). 222-231
• 
  Lidia Aceto, Donato Trigiante:
  The Matrices of Pascal and Other Greats. 232-245
• 
  Graham Byrnes, Grant Cairns, Barry Jessup:
  Leftovers from the Ham Sandwich Theorem. 246-249

Notes

• 
  Patrick Martinez:
  Some New Irrational Decimal Fractions. 250-253
• 
  Pantelis A. Damianou:
  Monic Polynomials in Z[x] with Roots in the Unit Disc. 253-257
• 
  Egon Scheffold:
  Pythagorean Triples of Polygonal Numbers. 257-258
• 
  Hans J. H. Tuenter:
  A Symmetry of Power Sum Polynomials and Bernoulli Numbers. 258-261
• 
  Paul Yiu:
  Heronian Triangles Are Lattice Triangles. 261-263

The Evolution of...

• 
  Vladimir P. Vizgin:
  On the Emotional Assumptions without Which One Could Not Effectively Investigate the Laws of Nature. 264-270

Problems and Solutions

• 
  Donald E. Knuth:
  Problem 10858. 271
• 
  Roland Bacher:
  Problem 10859. 271
• 
  Emeric Deutsch:
  Problem 10860. 271
• 
  Sung Soo Kim:
  Problem 10861. 271
• 
  Wu Wei Chao:
  Problem 10862. 271
• 
  Leroy Quet:
  Problem 10863. 272
• 
  Calin Popescu:
  Problem 10864. 272

Solutions

• 
  Vasile Mihai, Michael Woltermann:
  The Smoothest and Roughest Permutations: 10725. 272-273
• 
  Jean Anglesio, O. P. Lossers:
  Periods from Sums of Powers: 10727. 273
• 
  M. N. Deshpande, John H. Lindsey II:
  The Total Length of Short Cycles of a Random Permutation: 10732. 273-274
• 
  Hassan Ali Shah Ali, et al.:
  Getting the Same Weighted Average Two Ways: 10737. 274
• 
  Tim Keller, Javier Cilleruelo:
  Squares with Four Equal Digits in an Even Base: 10741. 275
• 
  Juan Arias de Reyna, Robin Chapman:
  The Square of a Random Determinant: 10787. 275-277
• 
  Harold G. Diamond, Ferrell S. Wheeler:
  A Convolution Formula for the Dickman Function: 10792. 277-278
• 
  Curtis Herink, Gary Gruenhage, et al.:
  Finite Subcovers for Open Covers with Exact Cardinality: 10799. 278

Volume 108, Number 4, April 2001

• 
  Rajendra Bhatia:
  Linear Algebra to Quantum Cohomology: The Story of Alfred Horn's Inequalities. 289-318
• 
  R. Shail:
  A Proof of Thébault's Theorem. 319-325
• 
  John H. Hubbard, Samer S. Habre, Beverly H. West:
  The Convergence of an Euler Approximation of an Initial Value Problem Is Not Always Obvious. 326-335
• 
  Garret Sobczyk:
  The Missing Spectral Basis in Algebra and Number Theory. 336-346
• 
  Rachel Wells Hall, Kresimir Josic:
  The Mathematics of Musical Instruments. 347-357

Notes

• 
  Holger Schellwat:
  A Simple Slide Rule for Finite Fields. 358-360
• 
  Razvan A. Satnoianu:
  A General Method for Establishing Geometric Inequalities in a Triangle. 360-364
• 
  Jesus Munarriz Aldaz, Ana Bravo, S. Gutiérrez, A. Ubis:
  A Theorem of D. J. Newman on Euler's φ Function and Arithmetic Progressions. 364-367
• 
  Liu Wen:
  A Counterexample for the Two-Dimensional Density Function. 367-368
• 
  N. S. Astapov, N. C. Noland:
  The Remarkable Tetron. 368-370

Problems and Solutions

• 
  David Beckwith:
  Problem 10865. 371
• 
  Jerry Kazdan, Herbert S. Wilf:
  Problem 10866. 371
• 
  Óscar Ciaurri Ramirez:
  Problem 10867. 371
• 
  M. N. Deshpande, A. V. Kharashikar:
  Problem 10868. 371
• 
  Lenny Jones:
  Problem 10869. 372
• 
  Hugh L. Montgomery, Ulrike M. A. Vorhauer:
  Problem 10870. 372
• 
  Donald E. Knuth:
  Problem 10871. 372

Solutions

• 
  Titu Andreescu, Gilbert N. Lewis:
  Preserving the Sum of Three Cubes: 10728. 372-373
• 
  Gustavus J. Simmons, John Henry Steelman, O. P. Lossers, et al.:
  A Congruence for Pascal Triangular Matrices: 10735. 373-374
• 
  Mizan R. Khan:
  An Optimization with a Modular Constraint: 10736. 374-375
• 
  Charles Vanden Eynden, Jerrold W. Grossman:
  Distinguishing between the Partite Sets of a Bipartite Graph: 10740. 375
• 
  Emre Alkan, Stephen M. Gagola Jr.:
  The Maximal Property for Finite Groups: 10742. 375-376
• 
  Calin Popescu, O. P. Lossers:
  Comparing a Sum over Quadratic Residues and Nonresidues: 10743. 376-377
• 
  Jiro Fukuta:
  Not Quite a Theorem on Quadrilaterals: 10755. 377-378
• 
  Achilleas Sinefakopoulos, Daniele Donini:
  Cirumscribing an Inscribed Quadrilateral: 10804. 378

Volume 108, Number 5, May 2001

• 
  Constance Reid:
  The Alternative Life of E. T. Bell. 393-402
• 
  Peter Lindqvist, Jaak Peetre:
  Two Remarkable Identities, Called Twos, for Inverses to Some Abelian Integrals. 403-410
• 
  Judy Kennedy, Sahin Koçak, James A. Yorke:
  A Chaos Lemma. 411-423
• 
  Robert E. Greene:
  Real Analyticity: From Calculus Class to the Grauert-Morrey Theorem. 424-431
• 
  Erik Talvila:
  Some Divergent Trigonometric Integrals. 432-436

Notes

• 
  Fred Brauer:
  What Goes Up Must Come Down, Eventually. 437-440
• 
  Edsger W. Dijkstra, Jayadev Misra:
  Designing a Calculational Proof of Cantor's Theorem. 440-443
• 
  Giuseppe De Marco:
  For Every ε There Continuously Exists a δ. 443-444
• 
  Antreas P. Hatzipolakis, Paul Yiu:
  The Lucas Circles of a Triangle. 444-446
• 
  Gerald B. Folland:
  How to Integrate a Polynomial over a Sphere. 446-448

The Evolution of...

• 
  V. Wiktor Marek, Jan Mycielski:
  Foundations of Mathematics in the Twentieth Century. 449-468

Problems and Solutions

• 
  Bogdan Suceava:
  Problem 10872. 469
• 
  B. J. Venkatachala:
  Problem 10873. 469
• 
  Wu Wei Chao:
  Problem 10874. 469
• 
  Donald E. Knuth:
  Problem 10875. 469
• 
  Zoltán Sasvári:
  Problem 10876. 469
• 
  Emeric Deutsch:
  Problem 10877. 470
• 
  Pál Péter Dályay:
  Problem 10878. 470

Solutions

• 
  Stephen C. Locke, Phil Tracy, H.-J. Voss:
  Highly Cohesive Graphs Have Long Nonseparating Paths: 10647. 470-472
• 
  Serge Tabachnikov:
  Polyhedron Covered Twice by Lines: 10724. 472-473
• 
  Peter Lindqvist, Jaak Peetre, Jonathan M. Borwein:
  Generalized Trigonometric Functions: 10744. 473-474
• 
  Marc Deléglise, Joe Flowers:
  An Unusual Limit Problem: 10807. 474-475
• 
  Yehuda Pinchover, Simeon Reich, Itai Shafrir:
  The Ptolemy Constant of a Normed Space: 10812. 475-476

Volume 108, Number 6, June - July 2001

• 
  Paul C. Pasles:
  The Lost Squares of Dr. Franklin: Ben Franklin's Missing Squares and the Secret of the Magic Circle. 489-511
• 
  Martin Hanke, Otmar Scherzer:
  Inverse Problems Light: Numerical Differentiation. 512-521
• 
  Hans Samelson:
  Differential Forms, the Early Days; or the Stories of Deahna's Theorem and of Volterra's Theorem. 522-530
• 
  Carlton J. Maxson, Johan H. Meyer:
  How Many Subspaces Force Linearity? 531-536
• 
  Wim Pijls:
  Some Properties Related to Mercator Projection. 537-543
• 
  Erik Talvila:
  Necessary and Sufficient Conditions for Differentiating under the Integral Sign. 544-548

Notes

• 
  Jean-Pierre Quadrat, Jean B. Lasserre, Jean-Baptiste Hiriart-Urruty:
  Pythagoras' Theorem for Areas. 549-551
• 
  David A. Sánchez:
  An Alternative to the Shooting Method for a Certain Class of Boundary Value Problems. 552-555
• 
  Wen-Jin Woan:
  Uniform Partitions of Lattice Paths and Chung-Feller Generalizations. 556-559
• 
  Harley Flanders:
  From Ford to Faà. 559-561
• 
  Mowaffaq Hajja:
  A Vector Proof of a Theorem of Bang. 562-564

Problems and Solutions

• 
  Walther Janous:
  Problem 10879. 565
• 
  Razvan A. Satnoianu:
  Problem 10880. 565
• 
  José Luis Palacios:
  Problem 10881. 565
• 
  Erwin Just, Norman Schaumberger:
  Problem 10882. 565
• 
  Nick MacKinnon:
  Problem 10883. 565
• 
  Zafar Ahmed:
  Problem 10884. 566
• 
  Kiran S. Kedlaya, Sasha Schwartz:
  Problem 10885. 566

Solutions

• 
  M. J. Pelling, et al.:
  Maximizing Quadratic Forms over Cubes: 10731. 566-567
• 
  Alain Grigis, W. Weston Meyer:
  Reflections of a Billiard Path: 10749. 567
• 
  Jean Anglesio, et al.:
  A Nowhere-Differentiable Function from Geometry: 10790. 568
• 
  Floor van Lamoen, W. Weston Meyer:
  Euler Lines Concurrent on the Nine-Point Circle: 10796. 569
• 
  Hassan Ali Shah Ali, Keith A. Kearnes, Ágnes Szendrei, Zafar Ahmed, M. A. Prasad, et al.:
  A Difference of Square Roots: 10806. 570
• 
  Juan-Bosco Romero Márquez, Mohammed Ali Salem:
  A Parallelogram Inscribed in a Quadrilateral: 10810. 571
• 
  Razvan A. Satnoianu, Li Zhou:
  Relatives of Erdos-Mordell: 10814. 572

Volume 108, Number 7, August - September 2001

• 
  Jeffrey R. Weeks:
  The Twin Paradox in a Closed Universe. 585-590
• 
  Chi-Kwong Li, Stephen Pierce:
  Linear Preserver Problems. 591-605
• 
  David E. Zitarelli:
  Towering Figures in American Mathematics, 1890-1950. 606-635
• 
  Erik Talvila:
  Rapidly Growing Fourier Integrals. 636-641

Notes

• 
  Søren Boel, Toke Meier Carlsen, Niels Richard Hansen:
  A Useful Strengthening of the Stone-Weierstrass Theorem. 642-643
• 
  Xingzhi Zhan:
  Linear Preservers That Permute the Entries of a Matrix. 643-645
• 
  Darrell Desbrow:
  A Real Antiderivative by Contour Integration. 645-649
• 
  Vesa Halava, Tero Harju:
  Mortality in Matrix Semigroups. 649-653

The Evolution of...

• 
  Michael Francis Atiyah:
  Mathematics in the 20th Century. 654-666

Problems and Solutions

• 
  Joaquín Gómez Rey:
  Problem 10886. 667
• 
  Jean Anglesio:
  Problem 10887. 667
• 
  William P. Wardlaw, William D. Withers:
  Problem 10888. 667
• 
  Klaus Huber:
  Problem 10889. 667
• 
  Raymond Mortini:
  Problem 10890. 668
• 
  Roland Bacher:
  Problem 10891. 668
• 
  Stephen C. Locke:
  Problem 10892. 668

Solutions

• 
  M. J. Pelling, F. W. Roush:
  The Sum Divides the Product: 10745. 668-669
• 
  Itshak Borosh, Douglas A. Hensley, Joel Zinn, et al.:
  One Good Congruence Deserves Another: 10748. 669
• 
  Leonard Smiley, David Callan, David M. Wells, Saïd Amghibech:
  A Rational Generating Function for Relative Divisors: 10750. 670
• 
  Jean Anglesio, Daniele Donini:
  Special Points of the Triangle of Excenters: 10763. 671
• 
  Barbara S. Bertram, Otto Ruehr:
  Submultiplicativity of a Function Defined by a Series: 10815. 671-672
• 
  Lester R. Ford Awards for 2000. 681

Volume 108, Number 8, October 2001

• 
  David Lindsay Roberts:
  E. H. Moore's Early Twentieth-Century Program for Reform in Mathematics Education. 689-696
• 
  Shaun M. Fallat:
  Bidiagonal Factorizations of Totally Nonnegative Matrices. 697-712
• 
  Don Rawlings:
  Sequential Searches: Proofreading, Russian Roulette, and the Incomplete q-Eulerian Polynomials Revisited. 713-720
• 
  Jan E. Holly:
  Pictures of Ultrametric Spaces, the p-Adic Numbers, and Valued Fields. 721-728
• 
  Kenneth R. Meyer:
  Jacobi Elliptic Functions from a Dynamical Systems Point of View. 729-737
• 
  P. J. McKenna, Cillian Ó Tuama:
  Large Torsional Oscillations in Suspension Bridges Visited Again: Vertical Forcing Creates Torsional Response. 738-745
• 
  Greg Martin:
  Absolutely Abnormal Numbers. 746-754

Notes

• 
  Christopher Stuart:
  Limiting Distributions for Derangements. 755
• 
  Keith McKenzie Rogers:
  The Finite Field Kakeya Problem. 756-759
• 
  Airton von Sohsten de Medeiros:
  The Fundamental Theorem of Algebra Revisited. 759-760
• 
  Mowaffaq Hajja:
  Other Versions of the Steiner-Lehmus Theorem. 760-767
• 
  Wladimir de Azevedo Pribitkin:
  A Simpler Proof of sin. 767-768
• 
  Jean B. Lasserre:
  A Quick Proof for the Volume of n-Balls. 768-769

Problems and Solutions

• 
  Andrei Jorza:
  Problem 10893. 770
• 
  Robert A. Sulanke:
  Problem 10894. 770
• 
  August Wendijk:
  Problem 10895. 770
• 
  Torben Maack Bisgaard, Zsolt Páles, Zoltán Sasvári:
  Problem 10896. 770
• 
  Gregory P. Wene:
  Problem 10897. 771
• 
  Wu Wei Chao:
  Problem 10898. 771
• 
  Ricardo Martini, Gerhard F. Post:
  Problem 10899. 771

Solutions

• 
  Paul Bracken, Bruce S. Burdick:
  Euler's Formula for Zeta Function Convolutions: 10754. 771-773
• 
  Bruce Reznick, Bruce Dearden:
  Completely Multiplicative Functions: 10760. 773
• 
  Fred Galvin, Radhika Ramamurthi:
  An Extremal Problem for Independent Sets in Graphs: 10761. 773-774
• 
  Bruce Dearden, Jerry Metzger, Robert Gilmer:
  Invertible Matrices Modulo n: 10767. 774
• 
  Christian Blatter, Josh Greene:
  The Chromatic Number of the Sphere: 10769. 774-775
• 
  Enrico Valdinoci, Robin Chapman:
  Convergence of a Series: 10808. 775-777
• 
  Walther Janous, Anne-Maria Ernvall:
  A Summation Inequality: 10817. 777

Volume 108, Number 9, November 2001

• 
  William Mueller:
  Mathematical Wunderkammern. 785-796
• 
  Jimmie D. Lawson, Yongdo Lim:
  The Geometric Mean, Matrices, Metrics, and More. 797-812
• 
  Robert Osserman:
  Kepler's Laws, Newton's Laws, and the Search for New Planets. 813-820
• 
  Dan Kalman, James E. White:
  Polynomial Equations and Circulant Matrices. 821-840
• 
  Leonard F. Klosinski, Gerald L. Alexanderson, Loren C. Larson:
  The Sixty-First William Lowell Putnam Mathematical Competition. 841-850

Notes

• 
  Ákos László:
  The Sum of Some Convergent Series. 851-855
• 
  Alexander G. Ramm:
  A Simple Proof of the Fredholm Alternative and a Characterization of the Fredholm Operators. 855-860
• 
  Robert L. Benedetto:
  An Elementary Product Identity in Polynomial Dynamics. 860-864

The Evolution of...

• 
  Jeremy Gray:
  Weierstrass, Luzin, and Intuition. 865-870

Problems and Solutions

• 
  Gordon Rice:
  Problem 10900. 871
• 
  M. J. Knight:
  Problem 10901. 871
• 
  Emeric Deutsch:
  Problem 10902. 871
• 
  Richard Bagby:
  Problem 10903. 871
• 
  Ovidiu Furdui:
  Problem 10904. 871
• 
  Richard P. Stanley:
  Problem 10905. 871
• 
  Donald E. Knuth:
  Problem 10906. 872

Solutions

• 
  Emeric Deutsch, David Callan, Sabin Cautis, et al.:
  Another Path to Generalized Catalan Numbers: 10751. 872-873
• 
  Louis W. Shapiro, Richard Ehrenborg, John W. Moon, Michael Reid:
  Leaves of Ordered Trees: 10753. 873-874
• 
  Mark E. Kidwell, Donald E. Knuth, O. P. Lossers:
  Leaves of Ordered Trees: 10757. 874-875
• 
  Gerard J. Foschini, et al.:
  A Sequence of Functions That Doesn't Span L₂[0, 1]: 10821. 875-876
• 
  Jeffrey C. Lagarias, Jade P. Vinson, et al.:
  When Periodic Points Are Real: 10822. 876-877
• 
  Félix Martínez-Giménez, John H. Lindsey II:
  A Convergence Property for Infinite Arrays: 10826. 877
• 
  Donald E. Knuth, Cecil C. Rousseau:
  A Stirling Series: 10832. 877-878

Volume 108, Number 10, December 2001

• 
  Peter B. Borwein, Loki Jörgenson:
  Visible Structures in Number Theory. 897-910
• 
  Donald R. Chalice:
  How to Differentiate and Integrate Sequences. 911-921
• 
  David Alan Grier:
  Dr. Veblen Takes a Uniform Mathematics in the First World War. 922-931
• 
  Harriet Pollatsek:
  Quantum Error Correction: Classic Group Theory Meets a Quantum Challenge. 932-962

Notes

• 
  Yunhi Cho, Kyunghwan Park:
  Inverse Functions of y = x^1/x. 963-967
• 
  Hiroshi Maehara:
  On the Total Edge-Length of a Tetrahedron. 967-969
• 
  Eugenio P. Balanzario:
  Evaluation of Dirichlet Series. 969-971
• 
  Timothy G. Feeman, Osvaldo Marrero:
  Affine Transformations, Polynomials, and Proportionality. 972-975

Problems and Solutions

• 
  Szilárd András:
  Problem 10907. 976
• 
  Wu Wei Chao:
  Problem 10908. 976
• 
  Támás Kalmán:
  Problem 10909. 976
• 
  Stevo Stevic, Rade Todorovic:
  Problem 10910. 976
• 
  Greg Martin:
  Problem 10911. 976
• 
  Jean Anglesio:
  Problem 10912. 976
• 
  Donald E. Knuth:
  Problem 10913. 977

Solutions

• 
  Mark V. Sapir, O. P. Lossers, Hugh L. Montgomery:
  The Decimal Expansions of Powers of 9: 10758. 977-978
• 
  Peter J. Ferraro:
  Fibonacci Numbers and Powers: 10765. 978-979
• 
  Calin Popescu, Jim Vandergriff, Jim Delany:
  A Divisibility Result for a Combination of mth Powers: 10770. 979-980
• 
  Emeric Deutsch, Jim Brawner:
  Three-Dimensional Lattice Walks in the Upper Half-Space: 10795. 980
• 
  Jon A. Wellner, M. L. Glasser:
  Incognito Hypergeometrics: 10836. 980-981
• 
  Andrew Vince, Kenneth Schilling:
  Almost Fixed Sets: 10843. 981-982

Revivals

• 
  Fred Galvin:
  A Generalization of Hall's Theorem: 10701. 982

Editor's Endnotes

• 
  Roger A. Horn:
  Editor's Endnotes. 993-994