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Siegel

Siegel is a surname of German origin. It is derived from the German word for a seal or stamp, and historically may have referred to a maker or keeper of seals, or to a person associated with seals in some other way. The name has appeared in various fields, and figures bearing the name have contributed to science, arts, and public life.

In mathematics, the most prominent bearer is Carl Ludwig Siegel (1896–1981), an Austrian-born German mathematician whose

Several mathematical concepts are named after Siegel. Siegel’s theorem concerns the finiteness of integral points on

Beyond mathematics, the surname Siegel appears in various contexts, carried by individuals in different professions. The

work
helped
shape
analytic
number
theory
and
complex
analysis.
His
research
spans
several
areas,
including
the
theory
of
modular
forms,
the
arithmetic
of
abelian
varieties,
and
dynamical
systems.
Many
foundational
concepts
and
results
carry
the
Siegel
name.
algebraic
curves
of
genus
at
least
one.
Siegel’s
lemma
provides
bounds
for
nontrivial
integer
solutions
to
systems
of
linear
equations.
The
Siegel
upper
half-space
and
Siegel
domain
are
central
objects
in
the
theory
of
Siegel
modular
forms,
a
higher-dimensional
generalization
of
classical
modular
forms.
The
Siegel
disk
appears
in
complex
dynamics
as
a
type
of
invariant
region
around
a
fixed
point
with
irrational
rotation,
reflecting
Siegel’s
contributions
to
dynamical
systems.
name’s
prominence
in
academic
literature,
particularly
in
number
theory
and
complex
analysis,
reflects
the
lasting
impact
of
Carl
Ludwig
Siegel’s
work.