Cards filled with theorems and definitions for MATH 354
| Front | Self-adjoint |
| Back | An operator [$]T \in \mathcal{L}(V)[/$] is called self-adjoint if [$]T = T^*[/$] . In other words, [$]T \in \mathcal{L}(V)[/$] is self-adjoint if and only if[$] \langle Tv, w \rangle = \langle v, Tw \rangle [/$] for all [$]v, w \in V[/$] |
| Front | What is the triangle inequality? |
| Back |
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| Front | What do linear maps act like? |
| Back | Matrix multiplication |