what.does.the.spectral.theorem.say p. halmos

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What Does the Spectral Theorem Say? Author(s): P. R. Halmos Source: The American Mathematical Monthly, Vol. 70, No. 3 (Mar., 1963), pp. 241-247 Published by: Mathematical Association of America Stable URL: http://www.jstor.org/stable/2313117 Accessed: 12/03/2009 12:39 Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available at http://www.jstor.org/page/info/about/policies/terms.jsp. JSTOR's Terms and Conditions of Use provides, in part, that unless you have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and you may use content in the JSTOR archive only for your personal, non-commercial use. Please contact the publisher regarding any further use of this work. Publisher contact information may be obtained at http://www.jstor.org/action/showPublisher?publisherCode=maa. Each copy of any part of a JSTOR transmission must contain the same copyright notice that appears on the screen or printed page of such transmission. JSTOR is a not-for-profit organization founded in 1995 to build trusted digital archives for scholarship. We work with the scholarly community to preserve their work and the materials they rely upon, and to build a common research platform that promotes the discovery and use of these resources. For more information about JSTOR, please contact [email protected]. Mathematical Association of America is collaborating with JSTOR to digitize, preserve and extend access to The American Mathematical Monthly. http://www.jstor.org

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  • What Does the Spectral Theorem Say?Author(s): P. R. HalmosSource: The American Mathematical Monthly, Vol. 70, No. 3 (Mar., 1963), pp. 241-247Published by: Mathematical Association of AmericaStable URL: http://www.jstor.org/stable/2313117Accessed: 12/03/2009 12:39

    Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available athttp://www.jstor.org/page/info/about/policies/terms.jsp. JSTOR's Terms and Conditions of Use provides, in part, that unlessyou have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and youmay use content in the JSTOR archive only for your personal, non-commercial use.

    Please contact the publisher regarding any further use of this work. Publisher contact information may be obtained athttp://www.jstor.org/action/showPublisher?publisherCode=maa.

    Each copy of any part of a JSTOR transmission must contain the same copyright notice that appears on the screen or printedpage of such transmission.

    JSTOR is a not-for-profit organization founded in 1995 to build trusted digital archives for scholarship. We work with thescholarly community to preserve their work and the materials they rely upon, and to build a common research platform thatpromotes the discovery and use of these resources. For more information about JSTOR, please contact [email protected].

    Mathematical Association of America is collaborating with JSTOR to digitize, preserve and extend access toThe American Mathematical Monthly.

    http://www.jstor.org

  • Article Contentsp. 241p. 242p. 243p. 244p. 245p. 246p. 247

    Issue Table of ContentsThe American Mathematical Monthly, Vol. 70, No. 3 (Mar., 1963), pp. 241-360Front MatterWhat Does the Spectral Theorem Say? [pp. 241-247]An Extension of the Fermat Theorem [pp. 247-250]On an Inequality for the Generalized Arithmetic and Geometric Means [pp. 251-255]A Differential Equation with Non-Unique Solutions [pp. 255-259]A Method for Obtaining Polynomials of Bernstein type of two Variables [pp. 260-264]Congruences for p(n) and Ramanujan's Function [pp. 265-274]A Note on Certain Non-Associative Algebras [pp. 274-277]A Generalized Polarization Identity [pp. 277-281]An Alternative Derivation of the z-Transform [pp. 281-284]Largest Subtopologies with Special Properties [pp. 284-285]Mathematical NotesA Theorem of Levitzki [p. 286]Compactness in Function Spaces [pp. 286-288]Complex Fibonacci Numbers and Fibonacci Quaternions [pp. 289-291]The Inversion of A Convolution Transorm Whose Kernel is a Laguerre Polynomial [pp. 291-293]Note on "an Extension of Fermat's Theorem" [pp. 293-294]On Quadrilaterals of Minimal Perimeter Inscribed in a Given Quadrilateral [pp. 294-298]A Theorem on Fixed Points Under Isometries [pp. 298-300]Remarks on a Paper of Rhoades [pp. 300-301]The Computation of the Generalized Inverse of singular or Rectangular Matrices [pp. 302-303]An Extension of Taylor's Formula [pp. 303-306]On a Sine Functional Equation [pp. 306-308]

    Correction: Transformations of Series by a Variant of Stirling's Numbers [p. 309]Correction: Two Methods for the Evaluation of k [p. 309]Classroom NotesNote on Multiple Power Series [pp. 309-313]An Old Theorem in a New Setting [pp. 313-315]Inverses in Rings with Unity [p. 315]Reduction of the Simson Line Theorem to the Theorem of Pascal [pp. 315-316]The Existence and Uniqueness of the Exponential Function as the Solution of f' = f, f(0) = 1 [pp. 316-319]

    Mathematical Education NotesAn Interesting Isomorphism [pp. 319-322]Reform of Instruction in Geometry [pp. 323-327]To Encourage Research in the Small College [pp. 327-328]Remedial Classes in Mathematics for High School Teachers [pp. 328-330]

    Elementary Problems and SolutionsProblems for Solution: E1571-E1580 [pp. 330-331]SolutionsE1521 [pp. 331-332]E1522 [pp. 332-333]E1523 [p. 333]E1524 [pp. 333-334]E1525 [p. 334]

    Advanced Problems and SolutionsProblems for Solutions: 5082-5091 [pp. 335-337]Solutions5004 [p. 337]5005 [pp. 337-338]5006 [pp. 338-339]5007 [p. 339]5008 [pp. 339-340]5009 [p. 340]5010 [p. 341]

    Recent PublicationsReview: untitled [p. 341]Review: untitled [p. 342]Review: untitled [p. 342]Review: untitled [pp. 342-343]Review: untitled [p. 343]Review: untitled [p. 344]Review: untitled [p. 345]Review: untitled [p. 345]Review: untitled [pp. 346-347]Review: untitled [pp. 347-348]Review: untitled [p. 348]Review: untitled [p. 349]Review: untitled [p. 349]Review: untitled [p. 350]Review: untitled [p. 351]Brief Mention [pp. 351-353]

    News and Notices [pp. 353-356]The Mathematical Association of America: Official Reports and CommunicationsNovember Meeting of the New Jersey Section [pp. 356-357]November Meeting of the Northeastern Section [p. 357]November Meeting of the Philadelphia Section [p. 358]November Meeting of the Texas Section [pp. 358-360]Calendar of Future Meetings [p. 360]

    Back Matter