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1

Problems

Allen J. Schwenk, Mihaly Bencze, R. S. Luthar, Huseyin Demir, Nick Lord, Neil Eklund, Chris Caldwell, Murray S. Klamkin, Andy Liu, Ronald L. Graham, Con Amore Problem Group, Keith Loseke, David Callan

Journal:

Mathematics Magazine

Year:

1991

Language:

english

File:

PDF, 714 KB

english, 1991

2

Problems

Allen J. Schwenk, David Doster, Jeffrey Shallit, Vaclav Konecny, Miha'ly Bencze, L. Van Hamme, Murray S. Klamkin, Rodica Simion, Frank Schmidt, 1988 USA Olympiad Math Team, Eugene Lee, William P. Ward

Journal:

Mathematics Magazine

Year:

1989

Language:

english

File:

PDF, 635 KB

english, 1989

3

Problems

Jerrold W. Grossman, Allen J. Schwenk, Benjamin G. Klein, John Layman, S. Kung, Fouad Nakhli, Lawrence J. Wallen, David Singmaster, Heather Vaughan, Constantin Gonciulea, Mathematical Problem Solving

Journal:

Mathematics Magazine

Year:

1987

Language:

english

File:

PDF, 664 KB

english, 1987

4

Venn Diagram for Five Sets

Allen J. Schwenk

Journal:

Mathematics Magazine

Year:

1984

Language:

english

File:

PDF, 125 KB

english, 1984

5

Problems

David Gale, Clark Kimberling, Bruce Hanson, Stephen Wayne Coffman, Richard Johnsonbaugh, Allen Schwenk, William P. Wardlaw, Huseyin Demir, Volkhard Schindler, L. Bass, R. Vyborny, V. Thomee, M. S. Kla

Journal:

Mathematics Magazine

Year:

1986

Language:

english

File:

PDF, 652 KB

english, 1986

6

Problems

Ronald L. Graham, Murray Hill, Keith Loseke, Fullerton Problem Group, Jerry M. Metzger, James O. Chilaka, W. Weston Meyer, Murray S. Klamkin, Florentin Smarandache, Allen J. Schwenk, Irl C. Bivens, Da

Journal:

Mathematics Magazine

Year:

1990

Language:

english

File:

PDF, 676 KB

english, 1990

7

Problems

Florin S. Pirvanescu, David Callan, Ioan Sadoveanu, Jiro Fukuta, John O. Kiltinen, Anthony Malebranche, Michael Handelsman, Norman Schaumberger, Robert S. Lubarsky, Allen J. Schwenk, The WMC Problems

Journal:

Mathematics Magazine

Year:

1992

Language:

english

File:

PDF, 561 KB

english, 1992

8

Problems

Roger Izard, John A. Hendrickson, Jr., Bill Correll, Jr., Erhan Gurel, Gerald A. Heuer, Michael Golomb, David Callan, Ismor Fischer, Allen J. Schwenk, Hans Georg Killingbergtro, Cristian Turcu, Helen

Journal:

Mathematics Magazine

Year:

1995

Language:

english

File:

PDF, 513 KB

english, 1995

9

Problems

W. E. Briggs, George T. Gilbert, William Moser, H. Demir, C. Tezer, Carl G. Wagner, William P. Wardlaw, Murray S. Klamkin, Sidney Kung, Jerrold W. Grossman, Allen J. Schwenk, The Oxford Running Club,

Journal:

Mathematics Magazine

Year:

1988

Language:

english

File:

PDF, 545 KB

english, 1988

10

Problems

Kuipers, L., Kestelman, H., Schwenk, Allen J., Walter, J., Pittel, Boris, Bach, Eric, Luby, Mike, Shallit, J. O., Palmer, Chester, Hamlin, Dennis, Parris, Richard, Hoyt, John P., Kantrowitz, Mark, Gre

Journal:

Mathematics Magazine

Year:

1984

Language:

english

File:

PDF, 658 KB

english, 1984

11

Problems

David C. Kay, Allen J. Schwenk, Claus Mazanti Sorensen, Herbert Gulicher, Joaquin Gomez Rey, Hoe Teck Wee, Larry Hoehn, John Brillhart, J. S. Lomont, Erwin Just, John Christopher, Murray S. Klamkin, C

Journal:

Mathematics Magazine

Year:

1997

Language:

english

File:

PDF, 633 KB

english, 1997

12

Problems

Allen J. Schwenk, Cristian Turcu, Ilya V. Burkov, Murray S. Klamkin, Florin S. Pirvanescu, Robert B. McNeill, Jiro Fukuta, L. Van Hamme, Irvin Roy Hentzel, Richard H. Sprague, Laszlo Szucs, William P.

Journal:

Mathematics Magazine

Year:

1994

Language:

english

File:

PDF, 587 KB

english, 1994

13

Efficiency of dissemination of information in one-way and two-way communication networks

Frank Harary, Allen J. Schwenk

Journal:

Behavioral Science

Year:

1974

Language:

english

File:

PDF, 268 KB

english, 1974

14

Which Rectangular Chessboards Have a Knight's Tour?

Allen J. Schwenk

Journal:

Mathematics Magazine

Year:

1991

Language:

english

File:

PDF, 693 KB

english, 1991

15

Advanced Problems: 6430-6435

J. Borwein, Gabor J. Szekely, Andras Zempleni, Michael Barr, Edmund Butler, Allen J. Schwenk and Thomas Q. Sibley

Journal:

American Mathematical Monthly

Year:

1983

Language:

english

File:

PDF, 243 KB

english, 1983

16

E2527

F. David Hammer, Temple University Problem Solving Group, I. Chaff and Allen J. Schwenk

Journal:

American Mathematical Monthly

Year:

1976

Language:

english

File:

PDF, 312 KB

english, 1976

17

PROBLEMS

Michael Woltermann, Christopher Hilliar, Stephen J. Herschkorn, Oleh Faynshteyn, H. A. ShahAli, Michael W. Botsko, Ovidiu Furdui, José H. Nieto, Allen Schwenk, Dorin Marghidanu, Robert L. Doucette, No

Journal:

Mathematics Magazine

Year:

2009

Language:

english

File:

PDF, 539 KB

english, 2009

18

Remarks on Problem B-3 on the 1990 William Lowell Putnam Mathematical Competition

Jiuqiang Liu and Allen J. Schwenk

Journal:

Mathematics Magazine

Year:

1994

Language:

english

File:

PDF, 499 KB

english, 1994

19

Problems and Solutions

Frank Schmidt, K. R. S. Sastry, Jiro Fukuta, Richard Johnsonbaugh, Filip Sajdak, Murray S. Klamkin, Andy Liu, Man-Keung Siu, Michael H. Andreoli, Mike Chamberlain, Mark D. Meyerson, Allen J. Schwenk,

Journal:

College Mathematics Journal

Year:

1995

Language:

english

File:

PDF, 575 KB

english, 1995

20

An Unanticipated Decimal Expansion

Journal:

Year:

2012

Language:

english

File:

PDF, 3.90 MB

english, 2012

21

What is the Correct Way to Seed a Knockout Tournament?

Allen J. Schwenk

Journal:

American Mathematical Monthly

Year:

2000

Language:

english

File:

PDF, 993 KB

english, 2000

22

Advanced Problems: 6673-6675

Paresh J. Malde, Allen J. Schwenk, Paul Erdos and Alain Tissier

Journal:

American Mathematical Monthly

Year:

1991

Language:

english

File:

PDF, 145 KB

english, 1991

23

What Is the Correct Way to Seed a Knockout Tournament?

Schwenk, Allen J.

Journal:

American Mathematical Monthly

Year:

2000

Language:

english

File:

PDF, 892 KB

english, 2000

24

Elementary Problems: E3054-E3058

Vania D. Mascioni, Mark F. Kruelle, Bruce Reznick, Edward T. H. Wang and Allen J. Schwenk

Journal:

American Mathematical Monthly

Year:

1984

Language:

english

File:

PDF, 328 KB

english, 1984

25

How Small Can the Mean Shadow of a Set Be?

Allen J. Schwenk and J. Ian Munro

Journal:

American Mathematical Monthly

Year:

1983

Language:

english

File:

PDF, 565 KB

english, 1983

26

Irrational Roots of Integers

Ayshhyah Khazad and Allen J. Schwenk

Journal:

College Mathematics Journal

Year:

2005

Language:

english

File:

PDF, 266 KB

english, 2005

27

Comparing$\emptyset,\{\emptyset \},\{\{\emptyset \}\}$, etc

Allen J. Schwenk

Journal:

College Mathematics Journal

Year:

2002

Language:

english

File:

PDF, 138 KB

english, 2002

28

Elementary Problems: E3141-E3146

Mo Song-Qing, Zhang Zaiming, Allen J. Schwenk, Edwin Buchman, Clinton Kolaski and Walther Janous

Journal:

American Mathematical Monthly

Year:

1986

Language:

english

File:

PDF, 385 KB

english, 1986

29

The Steady State Sabbatical Rate

Allen J. Schwenk

Journal:

Mathematics Magazine

Year:

1998

Language:

english

File:

PDF, 600 KB

english, 1998

30

Elementary Problems: E3183-E3188

Murray S. Klamkin, Calin P. Popescu, Raymond E. Spaulding, I. A. Sakmar, Stephen L. Lipscomb, Allen J. Schwenk and Ioan Tomescu

Journal:

American Mathematical Monthly

Year:

1987

Language:

english

File:

PDF, 346 KB

english, 1987

31

Elementary Problems: E3451-E3456

M. A. Khan, C. A. Nicol, J. L. Selfridge, Allen J. Schwenk, John A. Baker, Hans G. Kellerer, D. G. Rogers and A. S. Cavaretta

Journal:

American Mathematical Monthly

Year:

1991

Language:

english

File:

PDF, 235 KB

english, 1991

32

Selection of a Fair Currency Exchange Rate

Allen J. Schwenk

Journal:

The Two-Year College Mathematics Journal

Year:

1982

Language:

english

File:

PDF, 247 KB

english, 1982

33

Several Sets of n + 1 Shapes, Each the Similitude Union of the Other n

Allen J. Schwenk

Journal:

College Mathematics Journal

Year:

1999

Language:

english

File:

PDF, 564 KB

english, 1999

34

Beware of Geeks Bearing Grifts

ALLEN J. SCHWENK

Journal:

Year:

2000

Language:

english

File:

PDF, 1.21 MB

english, 2000

35

6458

Mark Haiman, David Richman and Allen J. Schwenk

Journal:

American Mathematical Monthly

Year:

1985

Language:

english

File:

PDF, 287 KB

english, 1985

36

Introduction to Limits, or Why Can't We Just Trust the Table?

Allen J. Schwenk

Journal:

College Mathematics Journal

Year:

1997

Language:

english

File:

PDF, 171 KB

english, 1997

37

Enumeration of graphs with signed points and lines

Frank Harary, Edgar M. Palmer, Robert W. Robinson, Allen J. Schwenk

Journal:

Journal of Graph Theory

Year:

1977

Language:

english

File:

PDF, 485 KB

english, 1977

38

Pseudosimilar vertices in a graph

Robert J. Kimble Jr., Allen J. Schwenk, Paul K. Stockmeyer

Journal:

Journal of Graph Theory

Year:

1981

Language:

english

File:

PDF, 587 KB

english, 1981

39

The number of caterpillars

Frank Harary, Allen J. Schwenk

Journal:

Discrete Mathematics

Year:

1973

Language:

english

File:

PDF, 589 KB

english, 1973

40

E3453

Allen J. Schwenk and Ilias Kastanas

Journal:

American Mathematical Monthly

Year:

1993

Language:

english

File:

PDF, 343 KB

english, 1993

41

A Polynomial with a Root Mod m for Every m

Allen J. Schwenk

Journal:

College Mathematics Journal

Year:

2000

Language:

english

File:

PDF, 315 KB

english, 2000

42

6434

Schwenk, Allen J., Lossers, O. P.

Journal:

American Mathematical Monthly

Year:

1987

Language:

english

File:

PDF, 350 KB

english, 1987

43

E2516

Morris Newman, Charles Johnson, Detlef Laugwitz, Allen J. Schwenk and Aage Bondesen

Journal:

American Mathematical Monthly

Year:

1976

Language:

english

File:

PDF, 486 KB

english, 1976

44

News and Letters

Allen J. Schwenk and Frederic Cunningham, Jr.

Journal:

Mathematics Magazine

Year:

1980

Language:

english

File:

PDF, 524 KB

english, 1980

45

6673

Paresh J. Malde, Allen J. Schwenk, Stephen C. Locke, Herbert S. Wilf, Bruce E. Sagan and Richard Holzsager

Journal:

American Mathematical Monthly

Year:

1994

Language:

english

File:

PDF, 136 KB

english, 1994

46

E2608

Judith Q. Longyear and Allen J. Schwenk

Journal:

American Mathematical Monthly

Year:

1981

Language:

english

File:

PDF, 177 KB

english, 1981

47

E3058

Allen J. Schwenk and O. P. Lossers

Journal:

American Mathematical Monthly

Year:

1986

Language:

english

File:

PDF, 308 KB

english, 1986

48

News and Letters

Daniel Drucker, Samuel Yates, David E. Penney and Allen J. Schwenk

Journal:

Mathematics Magazine

Year:

1979

Language:

english

File:

PDF, 395 KB

english, 1979

49

Tiling Large Rectangles

Darren A. Narayan and Allen J. Schwenk

Journal:

Mathematics Magazine

Year:

2002

Language:

english

File:

PDF, 327 KB

english, 2002

50

E3143

Allen J. Schwenk

Journal:

American Mathematical Monthly

Year:

1988

Language:

english

File:

PDF, 92 KB

english, 1988