Fix Docs: cirq/tutorials/educators/chemistry (quantumlib#5251)

docs/tutorials/educators/chemistry.ipynb

@@ -538,9 +538,7 @@
     "- Stores the Hermitian matrix $M_{pq}$ and antisymmetric matrix $\\Delta_{pq}$ describing a general quadratic Hamiltonian\n",
     "\n",
     "$$\n",
-    "\\sum_{p, q} M_{pq} a^\\dagger_p a_q\n",
-    "+ \\frac12 \\sum_{p, q}\n",
-    "    (\\Delta_{pq} a^\\dagger_p a^\\dagger_q + \\text{h.c.})\n",
+    "\\sum_{p, q} M_{pq} a^\\dagger_p a_q + \\frac12 \\sum_{p, q} (\\Delta_{pq} a^\\dagger_p a^\\dagger_q + \\text{h.c.})\n",
     "$$\n",
     "\n",
     "- Routines included for efficient diagonalization (can handle thousands of fermionic modes)\n",
@@ -814,14 +812,7 @@
     "- The BCS mean-field d-wave model of superconductivity has the Hamiltonian\n",
     "\n",
     "$$\n",
-    "H = - t \\sum_{\\langle i,j \\rangle} \\sum_\\sigma\n",
-    "        (a^\\dagger_{i, \\sigma} a_{j, \\sigma} +\n",
-    "         a^\\dagger_{j, \\sigma} a_{i, \\sigma})\n",
-    "    - \\sum_{\\langle i,j \\rangle} \\Delta_{ij}\n",
-    "      (a^\\dagger_{i, \\uparrow} a^\\dagger_{j, \\downarrow} -\n",
-    "       a^\\dagger_{i, \\downarrow} a^\\dagger_{j, \\uparrow} +\n",
-    "       a_{j, \\downarrow} a_{i, \\uparrow} -\n",
-    "       a_{j, \\uparrow} a_{i, \\downarrow})\n",
+    "H = - t \\sum_{\\langle i,j \\rangle} \\sum_\\sigma (a^\\dagger_{i, \\sigma} a_{j, \\sigma} + a^\\dagger_{j, \\sigma} a_{i, \\sigma}) - \\sum_{\\langle i,j \\rangle} \\Delta_{ij} (a^\\dagger_{i, \\uparrow} a^\\dagger_{j, \\downarrow} - a^\\dagger_{i, \\downarrow} a^\\dagger_{j, \\uparrow} + a_{j, \\downarrow} a_{i, \\uparrow} - a_{j, \\uparrow} a_{i, \\downarrow})\n",
     "$$\n",
     "\n",
     "Use the `mean_field_dwave` function to generate an instance of this model with dimensions 10x10.\n",