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1

Problems and Solutions

K. R. S. Sastry, Heinz-Jurgen Seiffert, Frank Schmidt, Can Anh Minh, Murray S. Klamkin, Victor Oxman, Con Amore Problem Group, Jorge-Nuno O. Silva, William D. Blair, Philip Oppenheimer, Jiro Fukuta, J

Journal:

College Mathematics Journal

Year:

1996

Language:

english

File:

PDF, 509 KB

english, 1996

2

Problems

Demir, Hüseyin, Powell, Barry, Bencze, Mihály, Rassias, Themistocles M., Rosenblatt, J., Seiffert, Heinz-Jürgen, Stroeker, R. J., Luthar, R. S., Castiñeira, Julio, Hernández, Víctor, Parris, Richard,

Journal:

Mathematics Magazine

Year:

1985

Language:

english

File:

PDF, 594 KB

english, 1985

3

Problems

Lenny Jones, Yasutoshi Nomura, Paul Bracken, Edward Kitchen, Heinz-Jurgen Seiffert, Murray S. Klamkin, Stanley Rabinowitz, Ruby Rose, D. M. Bloom, Doru Popescu Anastasiu, Lajos Csete, Vaclav Konecny,

Journal:

Mathematics Magazine

Year:

1995

Language:

english

File:

PDF, 598 KB

english, 1995

4

Problems

Ambati Jeya Krishna, Robert E. Shafer, M. S. Klamkin, Martin Feuerman, Norman Schaumberger, Donald Batman, Chico Problem Group, Bjorn Poonen, Heinz-Jurgen Seiffert, H. Dai, Donald C. Fuller, Eugene Le

Journal:

College Mathematics Journal

Year:

1988

Language:

english

File:

PDF, 498 KB

english, 1988

5

Problems and Solutions

Murray S. Klamkin, Andy Liu, Mike Chamberlain, Mark D. Meyerson, K. R. S. Sastry, Broderick Oluyede, Harry Sedinger, Heinz-Jurgen Seiffert, Western Maryland College Problems Group, Jiro Fukuta, Con Am

Journal:

College Mathematics Journal

Year:

1994

Language:

english

File:

PDF, 557 KB

english, 1994

6

Problems

Seiffert, Heinz-Jürgen, Kimberling, Clark, Rabinowitz, Stanley, Schumer, Peter, Lyness, Robert C., Wilansky, A., Elkies, Noam, Eisenman, Richard L., McGrath, Michael, Erdös, Paul, Nathanson, Melvyn B.

Journal:

Mathematics Magazine

Year:

1983

Language:

english

File:

PDF, 682 KB

english, 1983

7

Problems

Robert E. Shafer, M. S. Klamkin, Norman Schaumberger, Geoffrey A. Kandall, James Foster, Dennis Hamlin, Heinz-Jurgen Seiffert, Chico Problem Group, Peter Sisler, Barry Brunson, Russell Euler, James Ma

Journal:

College Mathematics Journal

Year:

1986

Language:

english

File:

PDF, 575 KB

english, 1986

8

Problems and Solutions

Heinz-Jurgen Seiffert, Jiro Fukuta, K. R. S. Sastry, Norman Schaumberger, Murray S. Klamkin, Leonard Gillman, H. K. Krishnapriyan, Harry Sedinger, Ioan Sadoveanu, Prestonsburg Community College Math P

Journal:

College Mathematics Journal

Year:

1993

Language:

english

File:

PDF, 573 KB

english, 1993

9

More A-G Inequalities: 11211

Mihály Bencze and Heinz-Jürgen Seiffert

Journal:

American Mathematical Monthly

Year:

2007

Language:

english

File:

PDF, 252 KB

english, 2007

10

Advanced Problems: 6474-6478

Heinz-Jurgen Seiffert, Ignacy Icchak Kotlarski and Louis Funar

Journal:

American Mathematical Monthly

Year:

1984

Language:

english

File:

PDF, 162 KB

english, 1984

11

An Integral Inequality: 11133

Paul Bracken and Heinz-Jürgen Seiffert

Journal:

American Mathematical Monthly

Year:

2007

Language:

english

File:

PDF, 706 KB

english, 2007

12

A Cute Characterization of Acute Triangles: 10713

Juan-Bosco Romero Marquez and Heinz-Jurgen Seiffert

Journal:

American Mathematical Monthly

Year:

2000

Language:

english

File:

PDF, 131 KB

english, 2000

13

Advanced Problems: 6560-6562

Ambati Jaya Krishna, A. Murali Mohan Rao, Gomathi S. Rao, Heinz-Jurgen Seiffert and George E. Andrews

Journal:

American Mathematical Monthly

Year:

1987

Language:

english

File:

PDF, 665 KB

english, 1987

14

Two Sums That Are Congruent Modulo p: 10723

Christopher J. Hillar and Heinz-Jürgen Seiffert

Journal:

American Mathematical Monthly

Year:

2001

Language:

english

File:

PDF, 127 KB

english, 2001

15

Problems

Heinz-Jurgen Seiffert, Peter Sisler, Norman Schaumberger, Russell Euler, Verne R. Sanford, Robert E. Shafer, Allen Kaufman, B. C. Oltikar, Michael Filaseta, Clayton W. Dodge, Jerry M. Metzger and Grah

Journal:

College Mathematics Journal

Year:

1985

Language:

english

File:

PDF, 487 KB

english, 1985

16

10335

David Borwein, Jonathan Borwein, Heinz-Jurgen Seiffert, Robert D. Brown and Pawel Szeptycki

Journal:

American Mathematical Monthly

Year:

1997

Language:

english

File:

PDF, 169 KB

english, 1997

17

Symmetric Inequalities for xxand xx2: 10766

Szilárd András, Ronald A. Kopas and Heinz-Jürgen Seiffert

Journal:

American Mathematical Monthly

Year:

2000

Language:

english

File:

PDF, 132 KB

english, 2000

18

10261

Wu Wei Chao, Alain Salinier, Ilias Kastanas, Heinz-Jurgen Seiffert and Mark A. Pinsky

Journal:

American Mathematical Monthly

Year:

1994

Language:

english

File:

PDF, 127 KB

english, 1994

19

Ungleichungen für elementare Mittelwerte

Heinz-Jürgen Seiffert

Journal:

Archiv der Mathematik

Year:

1995

Language:

german

File:

PDF, 144 KB

german, 1995

20

11172

Heinz-Jürgen Seiffert

Journal:

American Mathematical Monthly

Year:

2005

Language:

english

File:

PDF, 168 KB

english, 2005

21

Familiar Identities in Disguise: 11172

Heinz-Jürgen Seiffert

Journal:

American Mathematical Monthly

Year:

2007

Language:

english

File:

PDF, 244 KB

english, 2007

22

6474

Heinz-Jurgen Seiffert and James C. Smith

Journal:

American Mathematical Monthly

Year:

1986

Language:

english

File:

PDF, 239 KB

english, 1986

23

6561

Heinz-Jurgen Seiffert

Journal:

American Mathematical Monthly

Year:

1989

Language:

english

File:

PDF, 316 KB

english, 1989

24

6332

Petter E. Bjorstad and Heinz-Jurgen Seiffert

Journal:

American Mathematical Monthly

Year:

1994

Language:

english

File:

PDF, 137 KB

english, 1994

25

10289

David M. Bloom and Heinz-Jurgen Seiffert

Journal:

American Mathematical Monthly

Year:

1996

Language:

english

File:

PDF, 120 KB

english, 1996

26

10321

Carl Axness, Reinhard Schafke, David Arterburn and Heinz-Jurgen Seiffert

Journal:

American Mathematical Monthly

Year:

1996

Language:

english

File:

PDF, 183 KB

english, 1996