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ECS 120 0:3.5 equivalence relations (discrete math review)

From  David Doty 0 likes 51 plays 0  

ECS20 - W22 - Lecture 14 (7R): Induction and Recursion 3

Lecture 2022-02-17. Using the Fundamental Theorem of Arithmetic to answer questions like how many divisors a number has. Karatsuba multiplication. Writing and solving recurrence relations. Binary…

From  Phil Rogaway 0 likes 141 plays 0  

ECS20 - W22 - Lecture 7 (4T): Sets 2

More about sets. Powerset of a set. Cross product of sets. The axiomatic approach to set theory. Languages (sets of strings).

From  Phil Rogaway 0 likes 111 plays 0  

ECS20 - W22 - Lecture 6 (3R): Sets 1

NOTE: "Typo" in what I wrote on one slide: R={x: x \not\in x}. Basics of sets. The only basic vocabulary is \in and \emptyset. Defining other relations: union, intersection complement,…

From  Phil Rogaway 0 likes 125 plays 0  

ECS20 - W22 - Lecture 6 (3R): Sets 1 (full)

Basics of sets. The only basic vocabulary is \in and \emptyset. Defining other relations: union, intersection complement, set difference, symmetric difference. Identities and their proofs, including…

From  Phil Rogaway 0 likes 9 plays 0  

2021-11-17: Approximate Graver-best augmentation, Steinitz bound

Videos and all other materials are copyright 2021 Matthias Köppe and shared as Open Educational Resources subject to the Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)…

From  Matthias Koeppe 0 likes 3 plays 0  

ECS 235A Fall Quarter 2021, Lecture 4, September 29, 2021

This is the video of the third lecture. It's crude as I made it from my laptop, as the room has no video recording. Just like before..

From  Matt Bishop 0 likes 17 plays 0  

ECS 153, Spring 2021; Lecture #4; April 5, 2021

ECS 153, Computer Security. This presents the basics of an SQL injection attack (as one was discovered on campus), finishes the robust programming material, and begins discussing vulnerabilities…

From  Matt Bishop 0 likes 97 plays 0  

ECS 153, Spring 2021; Lecture #3; April 2, 2021

ECS 153, Spring 2021. Computer Security. This begins some sessions on robust programming. The lecture starts at 5:31 into the video.

From  Matt Bishop 0 likes 111 plays 0  

ECS 120 0:7 combinatorics (discrete math review)

From  David Doty 1 likes 265 plays 0  

ECS 289A Lecture 6b

From  David Doty 0 likes 12 plays 0  

ECS 220 8b:8.3-2 NL-WitnessExistence and Reachability are NL-complete

From  David Doty 0 likes 21 plays 0  

ECS 220 5a:6.4-4 an oracle making P=NP

From  David Doty 0 likes 30 plays 0  

ECS 220 4b:6.2 upper bounds versus lower bounds

From  David Doty 0 likes 27 plays 0  

ECS 120 10b:1 diagonalization to show a set is smaller than its power set

From  David Doty 0 likes 86 plays 0  

ECS 120 9c:2 N vs. Z

From  David Doty 0 likes 106 plays 0