| 39-XX |
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Difference and functional equations |
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39Bxx |
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Functional equations and inequalities [See also 30D05] |
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39B05 |
General theory of functional equations and inequalities |
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39B12 |
Iteration theory, iterative and composite equations [See also 26A18, 30D05, 37-XX] |
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39B22 |
Functional equations for real functions [See also 26A51, 26B25] |
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39B32 |
Functional equations for complex functions [See also 30D05] |
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39B42 |
Matrix and operator functional equations [See also 47Jxx] |
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39B52 |
Functional equations for functions with more general domains and/or ranges |
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39B55 |
Orthogonal additivity and other conditional functional equations |
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39B62 |
Functional inequalities, including subadditivity, convexity, etc. [See also 26A51, 26B25, 26Dxx] |
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39B72 |
Systems of functional equations and inequalities |
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39B82 |
Stability, separation, extension, and related topics for functional equations [See also 46A22] |
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39B99 |
None of the above, but in this section |
