How Long to Read Cohomological Invariants: Exceptional Groups and Spin Groups

How Long Does it Take to Read Cohomological Invariants: Exceptional Groups and Spin Groups?

It takes the average reader 1 hour and 42 minutes to read Cohomological Invariants: Exceptional Groups and Spin Groups by Skip Garibaldi

Assuming a reading speed of 250 words per minute. Learn more

Description

This volume concerns invariants of $G$-torsors with values in mod $p$ Galois cohomology--in the sense of Serre's lectures in the book Cohomological invariants in Galois cohomology--for various simple algebraic groups $G$ and primes $p$. The author determines the invariants for the exceptional groups $F_4$ mod 3, simply connected $E_6$ mod 3, $E_7$ mod 3, and $E_8$ mod 5. He also determines the invariants of $\mathrm{Spin}_n$ mod 2 for $n \leq 12$ and constructs some invariants of $\mathrm{Spin}_{14}$. Along the way, the author proves that certain maps in nonabelian cohomology are surjective. These surjectivities give as corollaries Pfister's results on 10- and 12-dimensional quadratic forms and Rost's theorem on 14-dimensional quadratic forms. This material on quadratic forms and invariants of $\mathrm{Spin}_n$ is based on unpublished work of Markus Rost. An appendix by Detlev Hoffmann proves a generalization of the Common Slot Theorem for 2-Pfister quadratic forms.

How long is Cohomological Invariants: Exceptional Groups and Spin Groups?

Cohomological Invariants: Exceptional Groups and Spin Groups by Skip Garibaldi is 102 pages long, and a total of 25,704 words.

This makes it 34% the length of the average book. It also has 31% more words than the average book.

How Long Does it Take to Read Cohomological Invariants: Exceptional Groups and Spin Groups Aloud?

The average oral reading speed is 183 words per minute. This means it takes 2 hours and 20 minutes to read Cohomological Invariants: Exceptional Groups and Spin Groups aloud.

What Reading Level is Cohomological Invariants: Exceptional Groups and Spin Groups?

Cohomological Invariants: Exceptional Groups and Spin Groups is suitable for students ages 10 and up.

Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.

When deciding what to show young students always use your best judgement and consult a professional.

Where Can I Buy Cohomological Invariants: Exceptional Groups and Spin Groups?

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