Recent Issues
Volume 17, 4 issues
Volume 17
Issue 4, 543–722
Issue 3, 363–541
Issue 2, 183–362
Issue 1, 1–182
Volume 16, 5 issues
Volume 16
Issue 5, 727–903
Issue 4, 547–726
Issue 3, 365–546
Issue 2, 183–364
Issue 1, 1–182
Volume 15, 5 issues
Volume 15
Issue 5, 727–906
Issue 4, 547–726
Issue 3, 367–546
Issue 2, 185–365
Issue 1, 1–184
Volume 14, 5 issues
Volume 14
Issue 5, 723–905
Issue 4, 541–721
Issue 3, 361–540
Issue 2, 181–360
Issue 1, 1–179
Volume 13, 5 issues
Volume 13
Issue 5, 721–900
Issue 4, 541–719
Issue 3, 361–539
Issue 2, 181–360
Issue 1, 1–180
Volume 12, 8 issues
Volume 12
Issue 8, 1261–1439
Issue 7, 1081–1260
Issue 6, 901–1080
Issue 5, 721–899
Issue 4, 541–720
Issue 3, 361–539
Issue 2, 181–360
Issue 1, 1–180
Volume 11, 5 issues
Volume 11
Issue 5, 721–900
Issue 4, 541–720
Issue 3, 361–540
Issue 2, 181–359
Issue 1, 1–179
Volume 10, 5 issues
Volume 10
Issue 5, 721–900
Issue 4, 541–720
Issue 3, 361–539
Issue 2, 181–360
Issue 1, 1–180
Volume 9, 5 issues
Volume 9
Issue 5, 721–899
Issue 4, 541–720
Issue 3, 361–540
Issue 2, 181–359
Issue 1, 1–180
Volume 8, 5 issues
Volume 8
Issue 5, 721–900
Issue 4, 541–719
Issue 3, 361–540
Issue 2, 181–359
Issue 1, 1–179
Volume 7, 6 issues
Volume 7
Issue 6, 713–822
Issue 5, 585–712
Issue 4, 431–583
Issue 3, 245–430
Issue 2, 125–244
Issue 1, 1–124
Volume 6, 4 issues
Volume 6
Issue 4, 383–510
Issue 3, 261–381
Issue 2, 127–260
Issue 1, 1–126
Volume 5, 4 issues
Volume 5
Issue 4, 379–504
Issue 3, 237–378
Issue 2, 115–236
Issue 1, 1–113
Volume 4, 4 issues
Volume 4
Issue 4, 307–416
Issue 3, 203–305
Issue 2, 103–202
Issue 1, 1–102
Volume 3, 4 issues
Volume 3
Issue 4, 349–474
Issue 3, 241–347
Issue 2, 129–240
Issue 1, 1–127
Volume 2, 5 issues
Volume 2
Issue 5, 495–628
Issue 4, 371–494
Issue 3, 249–370
Issue 2, 121–247
Issue 1, 1–120
Volume 1, 2 issues
Volume 1
Issue 2, 123–233
Issue 1, 1–121
This article is available for purchase or by subscription. See below.
Abstract
We use a representability theorem of G. L. Watson to examine sums of squares in
quaternion rings with integer coefficients. This allows us to determine a large family
of such rings where every element expressible as the sum of squares can be written as
the sum of three squares.
PDF Access Denied
We have not been able to recognize your IP address
3.94.202.151
as that of a subscriber to this journal.
Online access to the content of recent issues is by
subscription, or purchase of single articles.
Please contact your institution's librarian suggesting a subscription, for example by using our
journal-recommendation form .
Or, visit our
subscription page
for instructions on purchasing a subscription.
You may also contact us at
contact@msp.org
or by using our
contact form .
Or, you may purchase this single article for
USD 30.00:
Keywords
Waring's problem, quaternions, Hilbert–Waring theorem
Mathematical Subject Classification
Primary: 11E25, 11P05
Secondary: 11R52
Milestones
Received: 3 November 2020
Revised: 28 May 2021
Accepted: 27 June 2021
Published: 9 February 2022
Communicated by Kenneth S. Berenhaut