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ChowGroup

Struct ChowGroup 

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pub struct ChowGroup {
    pub variety: String,
    pub codimension: usize,
    pub generators: Vec<String>,
}
Expand description

A Chow group CH^n(X) of codimension-n algebraic cycles modulo rational equivalence.

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§variety: String

The algebraic variety X (name).

§codimension: usize

The codimension n.

§generators: Vec<String>

A list of generator descriptions.

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impl ChowGroup

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pub fn new(variety: impl Into<String>, codimension: usize) -> Self

Create the Chow group CH^n(X).

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pub fn ch0(variety: impl Into<String>) -> Self

CH^0(X) = Z (free on connected components).

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pub fn pic(variety: impl Into<String>) -> Self

CH^1(X) = Pic(X), the Picard group.

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pub fn add_generator(&mut self, gen: impl Into<String>)

Add a cycle class generator.

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pub fn intersect(&self, other: &Self) -> Self

The intersection product CH^p × CH^q → CH^{p+q} (placeholder).

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pub fn rank(&self) -> usize

Rank of the Chow group (number of generators in this model).

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impl Clone for ChowGroup

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fn clone(&self) -> ChowGroup

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ChowGroup

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for ChowGroup

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.