Yamato Desk

講義

Lessons

She prepared these the way she likes to be asked: a well-posed starting point, then however far you want to go. Sit down. She will not rush.

mathundergrad

Limits, honestly

極限を、ちゃんと

ε–δ without the theater. What it means to get arbitrarily close.

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mathundergrad

The derivative is a linear map

微分は線形写像

Stop thinking of f'(x) as a slope. Start thinking of it as the best linear approximation.

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mathundergrad

Stokes' theorem

ストークスの定理

Green, Gauss, and the fundamental theorem of calculus as one sentence.

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mathgraduate

The spectral theorem

スペクトル定理

Why nice operators are secretly multiplication by a coordinate.

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mathundergrad

One punch of complex analysis

複素解析、一撃

Holomorphic is a huge constraint. Cauchy's theorem is the receipt.

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mathundergrad

Groups physicists actually use

物理で使う群

SO(3), SU(2), and representations without the fog.

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mathundergrad

Fourier transforms

フーリエ変換

Changing the question from 'where' to 'which frequency'.

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matholympiad

Inequalities with a spine

背骨のある不等式

AM-GM, Cauchy-Schwarz, and the art of not being clever too early.

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physicsundergrad

Lagrangian mechanics

ラグランジュ力学

Equations of motion from a stationary-action principle.

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physicsundergrad

Maxwell in differential forms

微分形式のマクスウェル

Two equations, if you let the geometry speak.

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physicsundergrad

Why Schrödinger looks like that

シュレーディンガー方程式の形

The i, the ħ, and the generator of time translations.

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physicsundergrad

Special relativity without slogans

スローガンなしの特殊相対論

Minkowski space, four-vectors, and what 'invariant' actually means.

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physicsgraduate

Noether's theorem

ネーターの定理

Symmetries and conserved quantities, said so it stays true.

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physicsgraduate

Geometric quantization (her thesis)

幾何学的量子化(彼女の論文)

How a symplectic manifold tries to become a Hilbert space. Yamato's current obsession.

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