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References to 'identity element'
1. $C^*$-algebra by asteroid
2. $C^*$-algebra homomorphisms are continuous by asteroid
3. $C^*$-algebra homomorphisms preserve continuous functional calculus by asteroid
4. $G$-module by rspuzio
5. $L^1(G)$ has an approximate identity by asteroid
6. $L^2$-spaces are Hilbert spaces by asteroid
7. a group homomorphism is injective iff the kernel is trivial by alozano
8. a group of even order contains an element of order 2 by azdbacks4234
9. abelian category by djao
10. additive inverse of the zero in a ring by aplant
11. adjoining an identity to a semigroup by mclase
12. alternative definition of category by rspuzio
13. alternative definition of group by pahio
14. approximate identity by asteroid
15. axiom of choice by GrafZahl
16. basic results in topological groups by asteroid
17. biops by HkBst
18. Brauer group by djao
19. category of paths on a graph by rspuzio
20. Cayley graph of $S_3$ by Wkbj79
21. Cayley's theorem for semigroups by Ziosilvio
22. central simple algebra by djao
23. characterization of free submonoids by Ziosilvio
24. characterization of prime ideals by GrafZahl
25. complex multiplication by alozano
26. component of identity of a topological group is a closed normal subgroup by asteroid
27. connected locally compact topological groups are $\sigma$-compact by asteroid
28. connected topological group is generated by any neighborhood of identity by asteroid
29. continuous functional calculus by asteroid
30. decomposable homomorphisms and full families of groups by joking
31. differential propositional calculus by Jon Awbrey
32. Dirichlet character by bbukh
33. elliptic curve cryptography by PrimeFan
34. equivalent regular expressions by CWoo
35. example of infinite simple group by rspuzio
36. examples of groups by AxelBoldt
37. examples of initial objects and terminal objects and zero objects by AxelBoldt
38. examples of modules by mathcam
39. extension and restriction of states by asteroid
40. fractional ideal by djao
41. fractional ideal of commutative ring by pahio
42. free submonoid by Ziosilvio
43. free vector space over a set by mathcam
44. functional calculus by asteroid
45. gauge group by sjm1979
46. Gelfand transform by asteroid
47. Gelfand-Naimark-Segal construction by asteroid
48. general associativity by pahio
49. group by drini
50. group homomorphism by yark
51. group object by rspuzio
52. H-space by yark
53. heap by CWoo
54. homogeneous space by rmilson
55. homomorphic image of group by pahio
56. hypergroup by CWoo
57. ideal classes form an abelian group by mathcam
58. idempotency by yark
59. idempotent by mclase
60. identity element is unique by pahio
61. injective $C^*$-algebra homomorphism is isometric by asteroid
62. integral domain by djao
63. invariant differential form by asteroid
64. inverse of a product by pahio
65. invertible elements in a Banach algebra form an open set by asteroid
66. isomorphic groups by alozano
67. kernel by rmilson
68. Kleene star by CWoo
69. Klein 4-ring by pahio
70. left identity and right identity by mclase
71. Lie group by rmilson
72. list of overloaded symbols by PrimeFan
73. loop by drini
74. loop and quasigroup by mclase
75. maximal ideal is prime (general case) by mclase
76. maximal ideals of the algebra of continuous functions on a compact set by asteroid
77. module by yark
78. monoid by djao
79. monoid as a category by kompik
80. Moufang loop by yark
81. multiplicative function by Wkbj79
82. multiplicative linear functional by asteroid
83. near-ring by yark
84. Neumann series in Banach algebras by asteroid
85. non-commuting graph by GrafZahl
86. one-sided normality of subsemigroup by lars_h
87. operations on relations by CWoo
88. order (of a group) by mathcam
89. ordering of self-adjoints by asteroid
90. p-ring by alozano
91. partially ordered group by CWoo
92. Peirce decomposition by mclase
93. polyadic semigroup by CWoo
94. polynomial functional calculus by asteroid
95. positive linear functional by asteroid
96. probabilistic metric space by CWoo
97. proof of quotients in $C^*$-algebras by asteroid
98. proof that group homomorphisms preserve identity by odenskrigare
99. properties of certain monotone functions by CWoo
100. quasi-regularity by mclase
101. radical theory by mclase
102. regular elements of finite ring by pahio
103. resolvent function is analytic by asteroid
104. ring of endomorphisms by mclase
105. semi-direct factor and quotient group by yark
106. semidirect product of groups by djao
107. semigroup with two elements by rspuzio
108. special elements in a $C^*$-algebra and their spectral properties by asteroid
109. spectral radius by Koro
110. spectrum is a non-empty compact set by asteroid
111. state space is non-empty by asteroid
112. subgroup by Daume
113. subgroups with coprime orders by pahio
114. subsemigroup,, submonoid,, and subgroup by mclase
115. the kernel of a group homomorphism is a normal subgroup by alozano
116. torsion by mhale
117. types of homomorphisms by rspuzio
118. uniform structure of a topological group by mps
119. uniqueness of inverse (for groups) by waj
120. Wiener algebra by asteroid
121. zero by Mravinci
122. zero ideal by pahio
123. zero module by antizeus
124. zero polynomial by pahio