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2020 – today
- 2023
[j54]David Callan, Vít Jelínek, Toufik Mansour:
Inversion Sequences Avoiding a Triple of Patterns of 3 Letters. Electron. J. Comb. 30(3) (2023)- 2021
- [j53]David Callan:
Permutations avoiding 4321 and 3241 have an algebraic generating function. Discret. Math. Theor. Comput. Sci. 22(2) (2021) - [j52]David Callan, Toufik Mansour
, José Luis Ramírez:
Statistics on Bargraphs of Catalan Words. J. Autom. Lang. Comb. 26(3-4): 177-196 (2021)
2010 – 2019
- 2017
- [j51]David Callan, Toufik Mansour, Mark Shattuck:
Wilf classification of triples of 4-letter patterns I. Discret. Math. Theor. Comput. Sci. 19(1) (2017) - [j50]David Callan, Toufik Mansour, Mark Shattuck:
Wilf classification of triples of 4-letter patterns II. Discret. Math. Theor. Comput. Sci. 19(1) (2017) - [j49]Tewodros Amdeberhan, David Callan, Hideyuki Ohtsuka, Roberto Tauraso:
Revitalized Automatic Proofs: Demonstrations. Integers 17: A16 (2017) - 2015
- [j48]David Callan, Shi-Mei Ma, Toufik Mansour:
Some Combinatorial Arrays Related to the Lotka-Volterra System. Electron. J. Comb. 22(2): 2 (2015) - 2013
- [j47]Tewodros Amdeberhan, David Callan, Victor H. Moll:
Valuations and Combinatorics of Truncated Exponential Sums. Integers 13: A21 (2013) - 2012
- [j46]David Callan, Emeric Deutsch:
The run transform. Discret. Math. 312(19): 2927-2937 (2012) - [j45]David Callan:
Flexagons Lead to a Catalan Number Identity. Am. Math. Mon. 119(5): 415-419 (2012) - 2010
- [j44]David Callan:
Klazar trees and perfect matchings. Eur. J. Comb. 31(5): 1265-1282 (2010)
2000 – 2009
- 2009
- [j43]David Callan:
Pattern avoidance in "flattened" partitions. Discret. Math. 309(12): 4187-4191 (2009) - [j42]Jakob Jonsson, Annie Carter, David Callan:
Oddly Triangulated Polygons: 11298 [2007, 547]. Am. Math. Mon. 116(4): 371-372 (2009) - [j41]David Callan, Robin Chapman:
Divisibility of a Central Binomial Sum: 11292&11307 [2007, 451&640]. Am. Math. Mon. 116(5): 468-470 (2009) - [j40]David Callan, Marc Renault:
Uniformly Distributed Valleys: 11312 [2007, 744]. Am. Math. Mon. 116(6): 552-553 (2009) - 2008
- [j39]Evangelos Georgiadis, David Callan, Qing-Hu Hou:
Circular Digraph Walks, k-Balanced Strings, Lattice Paths and Chebychev Polynomials. Electron. J. Comb. 15(1) (2008) - [j38]David Callan:
A Determinant of Stirling Cycle Numbers Counts Unlabeled Acyclic Single-Source Automata. Discret. Math. Theor. Comput. Sci. 10(2) (2008) - [j37]David Callan:
Problem 11362. Am. Math. Mon. 115(5): 461 (2008) - 2007
- [j36]David Callan:
A Bijection on Dyck Paths and its Cycle Structure. Electron. J. Comb. 14(1) (2007) - [j35]David Callan:
Problem 11292. Am. Math. Mon. 114(5): 451 (2007) - [j34]David Callan:
Problem 11307. Am. Math. Mon. 114(7): 640 (2007) - [j33]David Callan:
Problem 11312. Am. Math. Mon. 114(8): 744 (2007) - 2006
- [j32]David Callan, et al.:
The Maximum Associativeness of Division: 11091. Am. Math. Mon. 113(5): 462-463 (2006) - [j31]David Callan, Kenneth Bernstein:
A Lattice Path Equality: 11106. Am. Math. Mon. 113(7): 656-657 (2006) - 2005
- [j30]David Callan, Marc Renault:
Dyck Paths Skipping Every Fourth Point: 11013. Am. Math. Mon. 112(2): 184 (2005) - 2004
- [j29]David Callan:
A Uniformly Distributed Statistic on a Class of Lattice Paths. Electron. J. Comb. 11(1) (2004) - [j28]David Callan, M. A. Prasad:
Counting a Set of Rooted Trees: 10952. Am. Math. Mon. 111(3): 265-266 (2004) - [j27]David Callan:
Problem 11091. Am. Math. Mon. 111(6): 534 (2004) - [j26]David Callan:
Problem 11106. Am. Math. Mon. 111(8): 725 (2004) - 2003
- [j25]Pál Péter Dályay, Saïd Amghibech, David Callan:
Another Binomial Coefficient Identity: 10878. Am. Math. Mon. 110(4): 342-343 (2003) - [j24]David Callan:
Problem 11013. Am. Math. Mon. 110(5): 438 (2003) - [j23]Robert A. Sulanke, Jose Luis Arregui, Danijela Vujic, Nelson Castañeda, David Callan:
Another Description of the Central Delannoy Numbers: 10894. Am. Math. Mon. 110(5): 443-444 (2003) - [j22]David Callan, Harris Kwong:
A Permanent Fixture: 10925. Am. Math. Mon. 110(10): 960 (2003) - 2002
- [j21]David Callan:
Problem 10925. Am. Math. Mon. 109(2): 201-202 (2002) - [j20]Emeric Deutsch, John Henry Steelman, David Callan:
A Recursively Defined Sequence of Functions: 10785. Am. Math. Mon. 109(3): 302-304 (2002) - [j19]David Callan:
Problem 10952. Am. Math. Mon. 109(6): 569 (2002) - [j18]David Beckwith, Li Zhou, David Callan:
A Property of the Binary Sum of a Family of Sets: 10865. Am. Math. Mon. 109(9): 859-860 (2002) - 2001
- [j17]Fred Galvin, Stephen C. Locke, Sung Soo Kim, David Callan:
A Generalization of Hall's Theorem: 10701. Am. Math. Mon. 108(1): 79-80 (2001) - [j16]Leonard Smiley, David Callan, David M. Wells, Saïd Amghibech:
A Rational Generating Function for Relative Divisors: 10750. Am. Math. Mon. 108(7): 670 (2001) - [j15]Emeric Deutsch, David Callan, Sabin Cautis, et al.:
Another Path to Generalized Catalan Numbers: 10751. Am. Math. Mon. 108(9): 872-873 (2001) - 2000
- [j14]George E. Andrews, Kee-Wai Lau, G. L. Body, David Callan, Robin J. Chapman, G. Lord, Heinz-Jürgen Seiffert, Doron Zeilberger:
Partitions and Pentagonal Numbers: 10628. Am. Math. Mon. 107(1): 86-87 (2000) - [j13]George E. Andrews, John Henry Steelman, G. L. Body, David Callan, Robin J. Chapman, Kee-Wai Lau, J. T. Lewis, John H. Lindsey II, G. Lord, J. G. Merickel:
Rogers-Ramanujan Partitions: 10627. Am. Math. Mon. 107(1): 86 (2000) - [j12]Frank Schmidt, Peter Mork, David Beckwith, David Callan, D. J. Chapman, G. Lord, Cecil C. Rousseau, Plamen Simeonov, John Henry Steelman:
Interrupted Partitions: 10629. Am. Math. Mon. 107(1): 87-88 (2000) - [j11]David Callan, Robin J. Chapman, John H. Lindsey II, Danrun Huang:
The Value of Primitive Words: 10636. Am. Math. Mon. 107(1): 88-89 (2000) - [j10]Michael Filaseta, Allen Stenger, David Callan, Zachary Franco:
When a Multiple of π/2 is Close to an Integer: 10640. Am. Math. Mon. 107(2): 177-179 (2000) - [j9]Jerrold R. Griggs, Michael Woltermann, B. Borchers, David Callan, Robin J. Chapman, J. Chilcott, Paul Cull, A. Ferguson, K. Martin, G. G. Gagola, Solomon W. Golomb, J. Guilford, S. Louis Hakimi, Edward F. Schmeichel, J. K. Haugland, C. H. Jepson, R. Johnsonbaugh, André Kündgen, S. Levandosky, J. T. Lewis, John H. Lindsey II, O. P. Lossers, Reiner Martin, R. Morris, Gerald Myerson, José Heber Nieto, E. Rykken, J. Sorensen, J. Schlosberg, W. Seaman, J. T. Ward, Z. Zeuge:
Tiling Rectangles with Trominoes: 10641. Am. Math. Mon. 107(2): 179 (2000) - [j8]Jürgen Groß, Götz Trenkler, S.-O. Troschke, William F. Trench, David Callan, Grace Wahba, Robin J. Chapman, Luz M. DeAlba, John H. Lindsey II:
A Property of Some Normal Matrices: 10645. Am. Math. Mon. 107(2): 179-180 (2000) - [j7]David Callan, Knut Dale, Ivar Skau, John Henry Steelman, Jany C. Binz, Robin J. Chapman, F. Herzig, André Kündgen, Reiner Martin, José Heber Nieto, O. A. Saleh, S. Byrd, Edward F. Schmeichel, Isaac Sofair, Michael Vowe:
An Identity Involving Derangements: 10643. Am. Math. Mon. 107(3): 278-279 (2000) - [j6]David Callan, Robin Chapman, John H. Lindsey II, J. Parkinson, Volkhard Schindler, Plamen Simeonov:
Analysis of a French Inheritance Law: 10652. Am. Math. Mon. 107(3): 280-281 (2000) - [j5]Mihály Bencze, Dan Saracino, Allen Stenger, S. Amghibech, Jean Anglesio, R. Bauer, A. Siegel, David M. Bloom, G. L. Body, David Callan, Robin J. Chapman, Kevin Ford, Stephen M. Gagola Jr., N. Gauthier, W. V. Grounds, T. Hagedorn, R. T. Koether, N. Komanda, R. N. Krishnan, K.-W. Lau, John H. Lindsey II, L. E. Mattics, C. A. Minh, H. N. Ozsoylev, C. Y. Yildirim, P. G. Poonacha, N. R. Sanjeev, C. Popescu, J. Robertson, H.-J. Sieffert, Jeffrey O. Shallit, N. C. Singer, Albert Stadler, D. C. Terr, T. V. Triff, T. Trimble, Pavel Trojovský:
A Recurrence Generating Multiples of Primes: 10655. Am. Math. Mon. 107(3): 281-282 (2000) - [j4]James C. Owings Jr., Jeremy E. Dawson, Robin J. Chapman, Darryl K. Nester, Robert A. Agnew, John Beebee, David Callan, R. Garcia-Pelayo, V. Hernandez, J. Martin, J. Hickman, D. Jones, S. S. Kim, Olaf Krafft, Martin Schaefer, G. Letac, John H. Lindsey II, O. P. Lossers, K. Poelladennou, K. Schilling, M. Shemesh:
A Sum of Chebyshev Inequalities: 10687. Am. Math. Mon. 107(3): 282-283 (2000) - [j3]Emeric Deutsch, David Callan, M. Beck, David Beckwith, W. Bohm, Richard F. McCoart:
Another Type of Lattice Path: 10658. Am. Math. Mon. 107(4): 368-370 (2000) - [j2]Emeric Deutsch, Ira M. Gessel, David Callan:
Permutation Parameters with the Same Distribution: 10634. Am. Math. Mon. 107(6): 567-568 (2000) - [j1]David Callan, David Beckwith:
Periodic Points and Forests: 10666. Am. Math. Mon. 107(8): 753-754 (2000)
Coauthor Index
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