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Introduction E9F5FC

Understandable FFFFFF

Questions FFFFC0

Notes EEEEEE

Software

See: Math Big Picture

Collect and organize examples of figuring things out in mathematics.

Extending the domain

• Lie algebra (infinitesimal) vs. Lie group (broader domain).
• Kan extension - extending the domain - every concept is a Kan extension

Stitching together

• Apibrėžti "gebėjimus" ir kaip matematinis mąstymas suveda skirtingus gebėjimus suvokti kelis, keliolika, keliasdešimts, tūkstančius ir t.t. daiktų

Analysis - arithmetic hierarchy

• Calculus (delta-epsilon)
• Differentiable manifolds

Algebra

• Difference between set and vector space (or list?) Set has empty set, but vector space has zero instead of the empty set. So there are no functions into the empty set, but there are functions into zero. Vector space is not distributive. Can't just take the union, need to take the span. Thus R and (S or T) is not equal to (R and S) or (R and T). A line and a plane is not a line and line or a line and line.

Polynomials

• (x-a) x is unknown (conscious question); a is known (unconscious answer); and the difference x-a gives the discrepancy. So a polynomial can be thought of as constructed as the product of the discrepancies - or it can be constructed as coefficients for powers. Note that EVERY polynomial with complex coefficients can be constructed as a product of such discrepancies. So it's a type of completeness. What makes that true?

#### MathDiscoveryExamples

Naujausi pakeitimai

 Puslapis paskutinį kartą pakeistas 2018 lapkričio 11 d., 17:36