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This collection includes:

  • Folder Cover Label
    Shaikh, A. (2014). NA-24-07. Department of Economics, New School for Social Research.This item is a folder cover label that marks research materials on economic matrix calculations.
  • Handwritten Research Notes
    Shaikh, A. (2014). Price variations and classical price setting. Department of Economics, New School for Social Research.This item contains handwritten notes evaluating price variation and classical price setting based on the theories of David Ricardo, Karl Marx, and Piero Sraffa.
  • Flight Booking Confirmation
    British Airways. (2014). London to Naples flight confirmation. British Airways.This item is a travel itinerary sheet detailing a flight booking from London Gatwick to Naples.
  • Handwritten Math Derivation
    Shaikh, A. (2014). Math equations with alpha and beta parameters. Department of Economics, New School for Social Research.This item shows algebraic derivations tracking parameters used to characterize economic equations.
  • Handwritten Seminar and Matrix Notes
    Shaikh, A. (2014). Second eigenvalue deflation methods. Department of Economics, New School for Social Research.This item outlines mathematical approaches to matrix deflation, citing linear algebra textbooks and academic journal articles.
  • Library Catalog Printout
    New York University Libraries. (2014, February 2). BobCat e-shelf record. New York University.This item is a printed webpage showing library search results for matrix analysis and linear algebra engineering books.
  • Email Correspondence
    Shaikh, A. (2014, February 12). Summary of my B-matrix argument. Department of Economics, New School for Social Research.This item is an email exchange between Dr. Anwar Shaikh and Bertram Schefold regarding eigenvalue equations and input-output systems.
  • Spanish Language Lesson Worksheet
    Shaikh, A. (2014). La ratita presumida. Department of Economics, New School for Social Research.This item is a short printable children's story in Spanish used as a grammar exercise to fill in verb tenses.
  • Handwritten Research Notes
    Shaikh, A. (2014, February 2). Eigenvalue bounds of traces. Department of Economics, New School for Social Research.This item contains handwritten proofs analyzing matrix trace bounds and standard allocation matrices.
  • Printed Manuscript Excerpt
    Shaikh, A. (2014). Reflexivity, path dependence, and disequilibrium dynamics. Department of Economics, New School for Social Research.This item is a printed book or article chapter analyzing the financial market theories and economic policy views of George Soros.
  • Handwritten Math Derivation
    Shaikh, A. (2014, February 11). Simple proof of subdominant eigenvalues approaching zero. Department of Economics, New School for Social Research.This item provides handwritten matrix equations detailing Gershgorin circles to prove specific eigenvalue limits.
  • Handwritten Matrix Formulas
    Shaikh, A. (2014, February 14). Allocation matrix row sums. Department of Economics, New School for Social Research.This item details handwritten formulas tracking row sums and transformations within random economic matrices.
  • Printed Reference Page
    Routledge. (2014). Economic Systems Research copyright statement and equations. Taylor & Francis.This item contains a printed warning notice paired with hand-drawn structural equations outlining matrix deviations.
  • Printed Programming Code
    Shaikh, A. (2014, January 23). Random matrix generation code. Department of Economics, New School for Social Research.This item is a printed Visual Basic for Applications script designed to generate random matrix elements in Excel.
  • Handwritten Programming Notes
    Shaikh, A. (2014). Visual Basic array declarations and conditional statements. Department of Economics, New School for Social Research.This item provides handwritten instructions mapping out matrix sizes, loops, and conditional code structures.
  • Handwritten Research Notes
    Shaikh, A. (2014). Questions on Scheffold matrix limits. Department of Economics, New School for Social Research.This item outlines handwritten questions tracking subdominant eigenvalue boundaries based on German economic literature.
  • Published Journal Article
    Scheffold, E. (1978). Eine Abschätzung für die subdominanten Eigenwerte nichtnegativer Matrizen. Linear Algebra and its Applications, 19(2). Elsevier.This item is a published mathematical paper in German that establishes an upper boundary for the subdominant eigenvalues of nonnegative matrices.
  • Handwritten Math and Graph Notes
    Shaikh, A. (2014, January 22). Gerschgorin disks of standard allocation matrices. Department of Economics, New School for Social Research.This item features hand-drawn geometric circles on a coordinate grid illustrating how subdominant eigenvalues behave in large matrix systems.
  • Printed Table Guide
    Shaikh, A. (2014). Guide to labor value and market price variables. Department of Economics, New School for Social Research.This item is a typed index sheet defining labels for total labor values, market prices, and variation coefficients.
  • Typed Research Notes
    Shaikh, A. (2014, January 23). Matrix size disaggregation simulations. Department of Economics, New School for Social Research.This item explains computer simulation tests regarding matrix randomness, input-output tables, and standard output vectors.
  • Printed Data Charts
    Shaikh, A. (2014, January 23). Correlation plots between matrices B and A. Department of Economics, New School for Social Research.This item holds computer-generated scatter plots tracking correlations across different sizes of industry data tables.
  • Printed Histograms
    Shaikh, A. (2014, January 23). Row distribution histograms for industry tables. Department of Economics, New School for Social Research.This item displays highly skewed frequency charts examining small entries inside matrix distributions.
  • Handwritten Research Notes
    Shaikh, A. (2014, January 23). Filling a matrix with zeros and random numbers. Department of Economics, New School for Social Research.This item contains handwritten notes detailing logic routines to keep row sums constant when inserting random values.
  • Handwritten Research Notes
    Shaikh, A. (2014, January 22). Matrix size disaggregation mechanics. Department of Economics, New School for Social Research.This item uses handwritten tables to compare trace values across different matrix dimensions.
  • Handwritten Research Notes
    Shaikh, A. (2014, January 22). Subdominant eigenvalue behavior under disaggregation. Department of Economics, New School for Social Research.This item provides handwritten remarks citing economic papers to study how matrix columns alter variance.
  • Handwritten Research Notes
    Shaikh, A. (2014, January 22). Technology distributions and allocation matrices. Department of Economics, New School for Social Research.This item writes out matrix systems to show that random coefficients remain consistent with technological limits.
  • Mathcad Computations and Graphs
    Shaikh, A. (2014, April 22). Wicksell effect computer calculations. Department of Economics, New School for Social Research.This item holds computerized sheets running complex matrix algorithms and plotting vector ratios to trace production prices.
  • Mathcad Calculation Sheets
    Shaikh, A. (2013, December 31). Wicksell effect and relative eigenvalues. Department of Economics, New School for Social Research.This item outlines computer code pages executing eigenvalue normalization steps across complex column vectors.
  • Published Journal Article
    Sun, G.-Z. (2008). The first two eigenvalues of large random matrices and Bródy's hypothesis on the stability of large input–output systems. Economic Systems Research, 20(4). Routledge.This item is a short published article offering a mathematical proof of a conjecture regarding how quickly large economies stabilize.

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