nptel.ac.in
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NPTEL is a government-backed online learning portal by IITs and IISc offering free and paid courses in engineering and sciences, with video lectures, notes, quizzes, and certificates. It covers a broad catalog of STEM topics, including linear algebra and linear operators.
More resources on Linear Operators
MathOverflow: Linear Operators Resources
Curated list from practitioner threads
Functional Analysis Lectures: Operators
Top upvoted YouTube link from r/gradschool for Hilbert space operators
Linear Operators Playlist
Comprehensive playlist on bounded linear operators from Reddit r/math recs
Functional Analysis
Learn functional analysis with Dr. Peyam's course, covering linear operators and more! Perfect for math enthusiasts.
Functional Analysis
Learn functional analysis with Casey Rodriguez! Explore linear operators and more in this comprehensive course.
mathworld.wolfram.com
MathWorld is Wolfram’s comprehensive online mathematics encyclopedia with rigorously written articles on topics across algebra, calculus, geometry, and more. It includes detailed entries on linear algebra concepts such as linear operators and transformations, with definitions, formulas, examples, and links to related topics.