Unsolved problems in number theory:
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| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York [u.a.]
Springer
2004
|
| Edition: | 3. ed. |
| Series: | Problem books in mathematics
|
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XVIII, 437 S. graph. Darst. |
| ISBN: | 0387208607 9780387208602 |
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Record in the Search Index
| _version_ | 1804132942136475648 |
|---|---|
| adam_text | RICHARD K. GUY UNSOLVED PROBLEMS IN NUMBER THEORY THIRD EDITION WITH 18
FIGURES SPRINGER CONTENTS PREFACE TO THE THIRD EDITION V PREFACE TO THE
SECOND EDITION VII PREFACE TO THE FIRST EDITION IX GLOSSARY OF SYMBOLS
XI INTRODUCTION 1 A. PRIME NUMBERS 3 AL. PRIME VALUES OF QUADRATIC
FUNCTIONS. 7 A2. PRIMES CONNECTED WITH FACTORIALS. 10 A3. MERSENNE
PRIMES. REPUNITS. FERMAT NUMBERS. PRIMES OF SHAPE K * 2 N + 1. 13 A4.
THE PRIME NUMBER RACE. 22 A5. ARITHMETIC PROGRESSIONS OF PRIMES. 25 A6.
CONSECUTIVE PRIMES IN A.P. 28 A7. CUNNINGHAM CHAINS. 30 A8. GAPS BETWEEN
PRIMES. TWIN PRIMES. 31 A9. PATTERNS OF PRIMES. 40 A10. GILBREATH S
CONJECTURE. 1^2 ALL. INCREASING AND DECREASING GAPS. 43 A12.
PSEUDOPRIMES. EULER PSEUDOPRIMES. STRONG PSEUDOPRIMES. 44 A13.
CARMICHAEL NUMBERS. 50 A14. GOOD PRIMES AND THE PRIME NUMBER GRAPH. 54
A15. CONGRUENT PRODUCTS OF CONSECUTIVE NUMBERS. 54 A16. GAUSSIAN AND
EISENSTEIN-JACOBI PRIMES. 55 A17. FORMULAS FOR PRIMES. 58 A18. THE
ERDOS-SELFRIDGE CLASSIFICATION OF PRIMES. 66 A19. VALUES OF N MAKING N *
2 K PRIME. ODD NUMBERS NOT OF THE FORM P A 2 B . 67 A20. SYMMETRIC
AND ASYMMETRIC PRIMES. 69 B. DIVISIBILITY 71 BL. PERFECT NUMBERS. 71 :
B2. ALMOST PERFECT, QUASI-PERFECT, PSEUDOPERFECT, HARMONIC, WEIRD,
MULTIPERFECT AND HYPERPERFECT NUMBERS. 74 B3. UNITARY PERFECT NUMBERS.
84 B4. AMICABLE NUMBERS. 86 B5. QUASI-AMICABLE OR BETROTHED NUMBERS. 91
B6. ALIQUOT SEQUENCES. 92 B7. ALIQUOT CYCLES. SOCIABLE NUMBERS. 95 B8.
UNITARY ALIQUOT SEQUENCES. 97 B9. SUPERPERFECT NUMBERS. 99 BIO.
UNTOUCHABLE NUMBERS. 100 XV XVI CONTENTS BLL. SOLUTIONS OF MA(M) =
NCR(N). 101 B12. ANALOGS WITH D(N), CTFC(N). 102 B13. SOLUTIONS OF A(N)
= U{N + 1). 103 B14. SOME IRRATIONAL SERIES. 104 B15. SOLUTIONS OF A(Q)
+ A(R) = A(Q + R). 105 B16. POWERFUL NUMBERS. SQUAREFREE NUMBERS. 105
B17. EXPONENTIAL-PERFECT NUMBERS 110 B18. SOLUTIONS OF D(N) = D(N + 1).
ILL B19. (M,N + 1) AND (M + L,N) WITH SAME SET OF PRIME FACTORS. THE
ABC-CONJECTURE. 113 B20. CULLEN AND WOODALL NUMBERS. 119 B21. K * 2 N +
1 COMPOSITE FOR ALL N. II9 B22. FACTORIAL N AS THE PRODUCT OF N LARGE
FACTORS. I^2 B23. EQUAL PRODUCTS OF FACTORIALS. 123 B24. THE LARGEST SET
WITH NO MEMBER DIVIDING TWO OTHERS. 124 B25. EQUAL SUMS OF GEOMETRIC
PROGRESSIONS WITH PRIME RATIOS. 124 B26. DENSEST SET WITH NO I PAIRWISE
COPRIME. 125 B27. THE NUMBER OF PRIME FACTORS OF N + K WHICH DON T
DIVIDE N + I, 0 I K. 126 B28. CONSECUTIVE NUMBERS WITH DISTINCT
PRIME FACTORS. 126 B29. IS X DETERMINED BY THE PRIME DIVISORS OF X + 1,
X + 2, ..., X + K? 127 B30. A SMALL SET WHOSE PRODUCT IS SQUARE. 128
B31. BINOMIA L COEFFICIENTS. 129 B32. GRIMM S CONJECTURE. 133 B33.
LARGEST DIVISOR OF A BINOMIAL COEFFICIENT. 134 B34. IF THERE S AN I SUCH
THAT N * I DIVIDES (). 137 B35. PRODUCTS OF CONSECUTIVE NUMBERS WITH
THE SAME PRIME FACTORS. 137 B36. EULER S TOTIENT FUNCTION. 138 B37. DOES
4 (N) PROPERLY DIVIDE N - 1? 142 B38. SOLUTIONS OF 4 (M) = A(N). 144
B39. CARMICHAEL S CONJECTURE. 144 B40. GAPS BETWEEN TOTATIVES. 146 B41.
ITERATIONS OF AND A. 147 B42. BEHAVIOR OF 4 (A(N)) AND A((J (N)). 150
B43. ALTERNATING SUMS OF FACTORIALS. 152 B44. SUMS OF FACTORIALS. 153
B45. EULER NUMBERS. 154 B46. THE LARGEST PRIME FACTOR OF N. 154 B47.
WHEN DOES 2 A - 2 B DIVIDE N A - N B L 155 B48. PRODUCTS TAKEN OVER
PRIMES. 155 B49. SMITH NUMBERS. 156 B50. RUTH-AARON NUMBERS. 157 C.
ADDITIVE NUMBER THEORY 159 CL. GOLDBACH S CONJECTURE. 159 C2. SUMS OF
CONSECUTIVE PRIMES. I64 C3. LUCKY NUMBERS. 164 C4. ULAM NUMBERS. 166 C5.
SUMS DETERMINING MEMBERS OF A SET. 167 C6. ADDITION CHAINS. BRAUER
CHAINS. HANSEN CHAINS. 169 C7. THE MONEY-CHANGING PROBLEM. 171 C8. SETS
WITH DISTINCT SUMS OF SUBSETS. 174 C9. PACKIN G SUMS OF PAIRS. 175 CIO.
MODULAR DIFFERENCE SETS AND ERROR CORRECTING CODES. 181 CLL.
THREE-SUBSETS WITH DISTINCT SUMS. 184 C12. THE POSTAGE STAMP PROBLEM.
185 C13. THE CORRESPONDING MODULAR COVERING PROBLEM. HARMONIOUS
LABELLING OF GRAPHS. 190 C14. MAXIMAL SUM-FREE SETS. 191 C15. MAXIMAL
ZERO-SUM-FREE SETS. 193 C16. NONAVERAGING SETS. NONDIVIDING SETS. 198
C17. THE MINIMUM OVERLAP PROBLEM. 199 C18. THE N QUEENS PROBLEM. 200
C19. IS A WEAKLY INDEDENDENT SEQUENCE THE FINITE UNION OF STRONGLY
INDEPENDENT ONES? 203 C20. SUMS OF SQUARES. 204 C21. SUMS OF HIGHER
POWERS. 207 CONTENTS XVII D. DIOPHANTINE EQUATIONS 209 DL. SUMS OF LIKE
POWERS. EULER S CONJECTURE. 209 D2. THE FERMAT PROBLEM. 218 D3. FIGURATE
NUMBERS. 222 D4. WARING S PROBLEM. SUMS OF I KTH POWERS. 229 D5. SUM OF
FOUR CUBES. 231 D6. AN ELEMENTARY SOLUTION OF X 2 = 2Y 4 * 1. 234 D7.
SUM OF CONSECUTIVE POWERS MADE A POWER. 235 D8. A PYRAMIDAL DIOPHANTINE
EQUATION. 237 D9. CATALAN CONJECTURE. DIFFERENCE OF TWO POWERS. 238 D10.
EXPONENTIAL DIOPHANTINE EQUATIONS. 242 DLL. EGYPTIAN FRACTIONS. 252 D12.
MARKOFF NUMBERS. 263 D13. THE EQUATION X X Y Y * Z Z . 265 D14. A,I +BJ
MADE SQUARES. 266 D15. NUMBERS WHOSE SUMS IN PAIRS MAKE SQUARES. 268
D16. TRIPLES WITH THE SAME SUM AND SAME PRODUCT. 271 D17. PRODUCT OF
BLOCKS OF CONSECUTIVE INTEGERS NOT A POWER. 272 D18. IS THERE A PERFECT
CUBOID? FOUR SQUARES WHOSE SUMS IN PAIRS ARE SQUARE. FOUR SQUARES WHOSE
DIFFERENCES ARE SQUARE. 275 D19. RATIONAL DISTANCES FROM THE CORNERS OF
A SQUARE. 283 D20. SIX GENERAL POINTS AT RATIONAL DISTANCES. 287 D21.
TRIANGLES WITH INTEGER EDGES, MEDIANS AND AREA. 290 D22. SIMPLEXES WITH
RATIONAL CONTENTS. 293 D23. SOME QUARTIC EQUATIONS. 296 D24. SUM EQUALS
PRODUCT. 299 D25. EQUATIONS INVOLVING FACTORIAL N. 301 D26. FIBONACCI
NUMBERS OF VARIOUS SHAPES. 302 D27. CONGRUENT NUMBERS. 306 D28. A
RECIPROCAL DIOPHANTINE EQUATION. 309 D29. DIOPHANTINE M-TUPLES. 310 E.
SEQUENCES OF INTEGERS 311 EL. A THIN SEQUENCE WITH ALL NUMBERS EQUAL TO
A MEMBER PLUS A PRIME. 311 E2. DENSITY OF A SEQUENCE WITH L.C.M. OF EACH
PAIR LESS THAN X. 312 E3. DENSITY OF INTEGERS WITH TWO COMPARABLE
DIVISORS. 313 E4. SEQUENCE WITH NO MEMBER DIVIDING THE PRODUCT OF R
OTHERS. 314 E5. SEQUENCE WITH MEMBERS DIVISIBLE BY AT LEAST ONE OF A
GIVEN SET. 315 E6. SEQUENCE WITH SUMS OF PAIRS NOT MEMBERS OF A GIVEN
SEQUENCE. 315 E7. A SERIES AND A SEQUENCE INVOLVING PRIMES. 316 E8.
SEQUENCE WITH NO SUM OF A PAIR A SQUARE. 316 E9. PARTITIONING THE
INTEGERS INTO CLASSES WITH NUMEROUS SUMS OF PAIRS. 316 E10. THEOREM OF
VAN DER WAERDEN. SZEMEREDI S THEOREM. PARTITIONING THE INTEGERS INTO
CLASSES; AT LEAST ONE CONTAINS AN A.P. 317 ELL. SCHUR S PROBLEM.
PARTITIONING INTEGERS INTO SUM-FREE CLASSES. 323 E12 . THE MODULAR
VERSION OF SCHUR S PROBLEM. 325 E13. PARTITIONING INTO STRONGLY SUM-FREE
CLASSES. 327 E14. RADO S GENERALIZATIONS OF VAN DER WAERDEN S AND
SCHUR S PROBLEMS. 327 E15. A RECURSION OF GOBEL. 329 E16. THE 3A; + 1
PROBLEM. 330 E17. PERMUTATION SEQUENCES. 336 E18. MAHLER S Z-NUMBERS.
557 E19. ARE THE INTEGER PARTS OF THE POWERS OF A FRACTION INFINITELY
OFTEN PRIME? 338 E20. DAVENPORT-SCHINZEL SEQUENCES. 338 E21. THUE-MORSE
SEQUENCES. 340 E22. CYCLES AND SEQUENCES CONTAINING ALL PERMUTATIONS AS
SUBSEQUENCES. 345 E23. COVERING THE INTEGERS XVIII CONTENTS WITH A.P.S.
345 E24. IRRATIONALITY SEQUENCES. 346 E25. GOLOMB S SELF-HISTOGRAMMING
SEQUENCE. 5^7 E26. EPSTEIN S PUT-OR-TAKE-A-SQUARE GAME. 349 E27. MAX
AND MEX SEQUENCES. 349 E28. B2-SEQUENCES. MIAN-CHOWLA SEQUENCES. 350
E29. SEQUENCE WITH SUMS AND PRODUCTS ALL IN ONE OF TWO CLASSES. 352 E30.
MACMAHON S PRIME NUMBERS OF MEASUREMENT. 352 E31. THREE SEQUENCES OF
HOFSTADTER. 353 E32. B2-SEQUENCES FROM THE GREEDY ALGORITHM. 355 E33.
SEQUENCES CONTAINING NO MONOTONE A.P.S. 557 E34. HAPPY NUMBERS. 557 E35.
THE KIMBERLING SHUFFLE. 359 E36. KLARNER-RADO SEQUENCES. 361 E37.
MOUSETRAP. 361 E38. ODD SEQUENCES 362 F. NONE OF THE ABOVE 365 FL.
GAUFI S LATTICE POINT PROBLEM. 365 F2. LATTICE POINTS WITH DISTINCT
DISTANCES. 367 F3. LATTICE POINTS, NO FOUR ON A CIRCLE. 368 F4. THE
NO-THREE-IN-LINE PROBLEM. 368 F5. QUADRATIC RESIDUES. SCHUR S
CONJECTURE. 372 F6. PATTERNS OF QUADRATIC RESIDUES. 57^ F7. A CUBIC
ANALOG OF A BHASKARA EQUATION. 376 F8. QUADRATIC RESIDUES WHOSE
DIFFERENCES ARE QUADRATIC RESIDUES. 577 F9. PRIMITIVE ROOTS 577 F10.
RESIDUES OF POWERS OF TWO. 380 FLL. DISTRIBUTION OF RESIDUES OF
FACTORIALS. 381 F12. HOW OFTEN ARE A NUMBER AND ITS INVERSE OF OPPOSITE
PARITY? 381 F13. COVERING SYSTEMS OF CONGRUENCES. 383 F14. EXACT
COVERING SYSTEMS. 386 F15. A PROBLEM OF R. L. GRAHAM. 590 F16. PRODUCTS
OF SMALL PRIME POWERS DIVIDING N. 391 F17. SERIES ASSOCIATED WITH THE
(^-FUNCTION. 391 F18. SIZE OF THE SET OF SUMS AND PRODUCTS OF A SET. 393
F19. PARTITION S INTO DISTINCT PRIMES WITH MAXIMUM PRODUCT. 394 F20.
CONTINUED FRACTIONS. 395 F21. ALL PARTIAL QUOTIENTS ONE OR TWO. 395 F22.
ALGEBRAIC NUMBERS WITH UNBOUNDED PARTIAL QUOTIENTS. 396 F23. SMALL
DIFFERENCES BETWEEN POWERS OF 2 AND 3. 396 F24. SOME DECIMAL DIGITAL
PROBLEMS. 398 F25. THE PERSISTENCE OF A NUMBER. 398 F26. EXPRESSING
NUMBERS USING JUST ONES. 399 F27. MAHLER S GENERALIZATION OF FAREY
SERIES. 400 F28. A DETERMINANT OF VALUE ONE. 401 F29. TWO CONGRUENCES,
ONE OF WHICH IS ALWAYS SOLVABLE. 4 02 F30. A POLYNOMIAL WHOSE SUMS OF
PAIRS OF VALUES ARE ALL DISTINCT. 403 F31. MISCELLANEOUS DIGITAL
PROBLEMS. 403 F32. CONWAY S RATS AND PALINDROMES. 404 INDEX OF AUTHORS
CITED 405 GENERAL INDEX 429
|
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| callnumber-raw | QA241 QA241.G87 2004 |
| callnumber-search | QA241 QA241.G87 2004 |
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| callnumber-subject | QA - Mathematics |
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| ctrlnum | (OCoLC)54611248 (DE-599)BVBBV019584342 |
| dewey-full | 512.722 512.7 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 512 - Algebra |
| dewey-raw | 512.7 22 512.7 |
| dewey-search | 512.7 22 512.7 |
| dewey-sort | 3512.7 222 |
| dewey-tens | 510 - Mathematics |
| discipline | Mathematik |
| edition | 3. ed. |
| format | Book |
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| id | DE-604.BV019584342 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T20:00:50Z |
| institution | BVB |
| isbn | 0387208607 9780387208602 |
| language | English |
| lccn | 2004045552 |
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| physical | XVIII, 437 S. graph. Darst. |
| publishDate | 2004 |
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| publisher | Springer |
| record_format | marc |
| series2 | Problem books in mathematics |
| spelling | Guy, Richard K. 1916-2020 Verfasser (DE-588)124655254 aut Unsolved problems in number theory Richard K. Guy 3. ed. New York [u.a.] Springer 2004 XVIII, 437 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Problem books in mathematics Nombres, Théorie des Number theory Ungelöstes Problem (DE-588)4186869-9 gnd rswk-swf Zahlentheorie (DE-588)4067277-3 gnd rswk-swf 1\p (DE-588)4143389-0 Aufgabensammlung gnd-content Zahlentheorie (DE-588)4067277-3 s Ungelöstes Problem (DE-588)4186869-9 s DE-604 HEBIS Datenaustausch Darmstadt application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=012921279&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
| spellingShingle | Guy, Richard K. 1916-2020 Unsolved problems in number theory Nombres, Théorie des Number theory Ungelöstes Problem (DE-588)4186869-9 gnd Zahlentheorie (DE-588)4067277-3 gnd |
| subject_GND | (DE-588)4186869-9 (DE-588)4067277-3 (DE-588)4143389-0 |
| title | Unsolved problems in number theory |
| title_auth | Unsolved problems in number theory |
| title_exact_search | Unsolved problems in number theory |
| title_full | Unsolved problems in number theory Richard K. Guy |
| title_fullStr | Unsolved problems in number theory Richard K. Guy |
| title_full_unstemmed | Unsolved problems in number theory Richard K. Guy |
| title_short | Unsolved problems in number theory |
| title_sort | unsolved problems in number theory |
| topic | Nombres, Théorie des Number theory Ungelöstes Problem (DE-588)4186869-9 gnd Zahlentheorie (DE-588)4067277-3 gnd |
| topic_facet | Nombres, Théorie des Number theory Ungelöstes Problem Zahlentheorie Aufgabensammlung |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=012921279&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT guyrichardk unsolvedproblemsinnumbertheory |